{"title":"GPF \u0026 POC","description":"\u003cp\u003e\u003cspan\u003eDiscover high-performance \u003c\/span\u003e\u003cstrong\u003eGPF\/OPF Particulate Filters\u003c\/strong\u003e\u003cspan\u003e for gasoline vehicles at SVIPCAT. Our \u003c\/span\u003e\u003cstrong\u003egasoline particulate filters (GPF)\u003c\/strong\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cstrong\u003eOtto particulate filters (OPF)\u003c\/strong\u003e\u003cspan\u003e are engineered to reduce harmful emissions while maintaining optimal exhaust flow and engine performance. Made from premium materials, our filters ensure durability, compliance with strict environmental regulations, and enhanced fuel efficiency. Whether you need a direct-fit or universal GPF\/OPF, we offer reliable solutions for modern gasoline engines. Upgrade your exhaust system with SVIPCAT’s cutting-edge filters today!\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"gasoline-particulate-filter-ceramic-filters","title":"Gasoline Particulate Filter Ceramic Filters in Gasoline Engine Exhaust Systems Capture and Reduce Particulate Matter Emitted by Gasoline Engines","description":"\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUpgrade your vehicle’s exhaust system with our premium \u003cstrong\u003eGasoline Particulate Filters (GPF)\u003c\/strong\u003e. Designed to reduce harmful emissions while maintaining optimal engine performance, our GPFs are compatible with a wide range of gasoline-powered vehicles. Whether you need a \u003cstrong\u003edirect-fit replacement\u003c\/strong\u003e or a \u003cstrong\u003euniversal upgrade\u003c\/strong\u003e, our filters deliver \u003cstrong\u003eefficient particulate trapping\u003c\/strong\u003e without restricting exhaust flow.\u003c\/span\u003e\u003cspan class=\"slate-node-text\" data-key=\"23\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"slate-node-text\" data-key=\"23\"\u003ePurchasing notice\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"slate-node-text\" data-key=\"23\"\u003e\u003cspan\u003e1. The product price only includes the price of 1 pc.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"24\" data-slate-type=\"p\" data-style=\"{}\"\u003e\u003cspan class=\"slate-node-text\" data-key=\"25\"\u003e2. If you need a large batch, please contact our customer service\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"28\" data-slate-type=\"p\" data-style=\"{}\" 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replace the catalyst of the original size and do not modify it\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"28\" data-slate-type=\"p\" data-style=\"{}\" 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class=\"slate-node-text\" data-key=\"29\"\u003e\u003cspan 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class=\"slate-node-text\" data-key=\"7\"\u003eDue to increased emissions standards, these items are not certified for sale in California, New York, Maine and Colorado.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"28\" data-slate-type=\"p\" data-style=\"{}\" 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class=\"slate-node-text\" data-key=\"7\"\u003e5.Support customization\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            margin-bottom: 20px;\n            font-family: Arial, sans-serif;\n        }\n        th, td {\n            border: 1px solid #ddd;\n            padding: 10px;\n            text-align: left;\n            vertical-align: top;\n        }\n        th {\n            background-color: #f2f2f2;\n            font-weight: bold;\n        }\n        .small-title {\n            color: #333;\n            font-size: 18px;\n            font-weight: bold;\n            margin: 15px 0 10px 0;\n        }\n        tr:nth-child(even) {\n            background-color: #f9f9f9;\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"small-title\"\u003eCoated vs Uncoated GPF: Core Functional Differences\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"20%\"\u003eComparison Items\u003c\/th\u003e\n\u003cth width=\"40%\"\u003eCoated GPF\u003c\/th\u003e\n\u003cth width=\"40%\"\u003eUncoated GPF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eParticulate filtration + Catalytic conversion (oxidizes CO\/HC)\u003c\/td\u003e\n\u003ctd\u003ePhysical particulate filtration only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiltration Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher (90%+, captures nano-sized particles)\u003c\/td\u003e\n\u003ctd\u003eLower (70-85%, relies on physical interception)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRegeneration Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEfficient passive regeneration (coating catalyzes soot oxidation)\u003c\/td\u003e\n\u003ctd\u003eRelies on high exhaust temperature for natural oxidation, slower regeneration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmission Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReduces PM, CO and HC emissions (similar to three-way catalyst)\u003c\/td\u003e\n\u003ctd\u003eOnly reduces PM emissions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackpressure Impact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly higher (coating increases flow resistance)\u003c\/td\u003e\n\u003ctd\u003eLower (no coating, better flow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher cost (precious metal coating adds 30-50% cost)\u003c\/td\u003e\n\u003ctd\u003eLower cost (ceramic substrate only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLonger lifespan (100,000-150,000 km)\u003c\/td\u003e\n\u003ctd\u003eShorter lifespan (more affected by carbon buildup)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMinimal maintenance required\u003c\/td\u003e\n\u003ctd\u003eRequires frequent backpressure checks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"SVIPCAT","offers":[{"title":"120 x 110mm \/ 0g\/cft.Pt","offer_id":51813595152730,"sku":null,"price":17.95,"currency_code":"GBP","in_stock":true},{"title":"120 x 110mm \/ 3g\/cft.Pt","offer_id":51813595185498,"sku":null,"price":23.44,"currency_code":"GBP","in_stock":true},{"title":"120 x 110mm \/ 5g\/cft.Pt","offer_id":51813595218266,"sku":null,"price":27.66,"currency_code":"GBP","in_stock":true},{"title":"130 x 110mm \/ 0g\/cft.Pt","offer_id":51813595251034,"sku":null,"price":19.98,"currency_code":"GBP","in_stock":true},{"title":"130 x 110mm \/ 3g\/cft.Pt","offer_id":51813595283802,"sku":null,"price":26.3,"currency_code":"GBP","in_stock":true},{"title":"130 x 110mm \/ 5g\/cft.Pt","offer_id":51813595316570,"sku":null,"price":31.16,"currency_code":"GBP","in_stock":true},{"title":"130 x 130mm \/ 0g\/cft.Pt","offer_id":51813595349338,"sku":null,"price":24.18,"currency_code":"GBP","in_stock":true},{"title":"130 x 130mm \/ 3g\/cft.Pt","offer_id":51813595382106,"sku":null,"price":32.2,"currency_code":"GBP","in_stock":true},{"title":"130 x 130mm \/ 5g\/cft.Pt","offer_id":51813595414874,"sku":null,"price":38.37,"currency_code":"GBP","in_stock":true},{"title":"130 x 160mm \/ 0g\/cft.Pt","offer_id":51813595447642,"sku":null,"price":28.07,"currency_code":"GBP","in_stock":true},{"title":"130 x 160mm \/ 3g\/cft.Pt","offer_id":51813595480410,"sku":null,"price":37.67,"currency_code":"GBP","in_stock":true},{"title":"130 x 160mm \/ 5g\/cft.Pt","offer_id":51813595513178,"sku":null,"price":45.05,"currency_code":"GBP","in_stock":true},{"title":"135 x 120mm \/ 0g\/cft.Pt","offer_id":51813595545946,"sku":null,"price":19.22,"currency_code":"GBP","in_stock":true},{"title":"135 x 120mm \/ 3g\/cft.Pt","offer_id":51813595578714,"sku":null,"price":25.23,"currency_code":"GBP","in_stock":true},{"title":"135 x 120mm \/ 5g\/cft.Pt","offer_id":51813595611482,"sku":null,"price":29.85,"currency_code":"GBP","in_stock":true},{"title":"140 x 80mm \/ 0g\/cft.Pt","offer_id":51813595644250,"sku":null,"price":19.22,"currency_code":"GBP","in_stock":true},{"title":"140 x 80mm \/ 3g\/cft.Pt","offer_id":51813595677018,"sku":null,"price":25.23,"currency_code":"GBP","in_stock":true},{"title":"140 x 80mm \/ 5g\/cft.Pt","offer_id":51813595709786,"sku":null,"price":29.85,"currency_code":"GBP","in_stock":true},{"title":"140 x 110mm \/ 0g\/cft.Pt","offer_id":51813595742554,"sku":null,"price":23.89,"currency_code":"GBP","in_stock":true},{"title":"140 x 110mm \/ 3g\/cft.Pt","offer_id":51813595775322,"sku":null,"price":31.8,"currency_code":"GBP","in_stock":true},{"title":"140 x 110mm \/ 5g\/cft.Pt","offer_id":51813595808090,"sku":null,"price":37.87,"currency_code":"GBP","in_stock":true},{"title":"140 x 130mm \/ 0g\/cft.Pt","offer_id":51813595840858,"sku":null,"price":29.14,"currency_code":"GBP","in_stock":true},{"title":"140 x 130mm \/ 3g\/cft.Pt","offer_id":51813595873626,"sku":null,"price":39.18,"currency_code":"GBP","in_stock":true},{"title":"140 x 130mm \/ 5g\/cft.Pt","offer_id":51813595906394,"sku":null,"price":46.9,"currency_code":"GBP","in_stock":true},{"title":"140 x 140mm \/ 0g\/cft.Pt","offer_id":51813595939162,"sku":null,"price":29.73,"currency_code":"GBP","in_stock":true},{"title":"140 x 140mm \/ 3g\/cft.Pt","offer_id":51813595971930,"sku":null,"price":40.06,"currency_code":"GBP","in_stock":true},{"title":"140 x 140mm \/ 5g\/cft.Pt","offer_id":51813596004698,"sku":null,"price":47.9,"currency_code":"GBP","in_stock":true},{"title":"154 x 130mm \/ 0g\/cft.Pt","offer_id":51813596037466,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true},{"title":"154 x 130mm \/ 3g\/cft.Pt","offer_id":51813596070234,"sku":null,"price":46.96,"currency_code":"GBP","in_stock":true},{"title":"154 x 130mm \/ 5g\/cft.Pt","offer_id":51813596103002,"sku":null,"price":56.16,"currency_code":"GBP","in_stock":true},{"title":"154 x 160mm \/ 0g\/cft.Pt","offer_id":51813596135770,"sku":null,"price":41.25,"currency_code":"GBP","in_stock":true},{"title":"154 x 160mm \/ 3g\/cft.Pt","offer_id":51813596168538,"sku":null,"price":55.76,"currency_code":"GBP","in_stock":true},{"title":"154 x 160mm \/ 5g\/cft.Pt","offer_id":51813596201306,"sku":null,"price":66.91,"currency_code":"GBP","in_stock":true},{"title":"180 x 110mm \/ 0g\/cft.Pt","offer_id":51813596234074,"sku":null,"price":37.84,"currency_code":"GBP","in_stock":true},{"title":"180 x 110mm \/ 3g\/cft.Pt","offer_id":51813596266842,"sku":null,"price":50.96,"currency_code":"GBP","in_stock":true},{"title":"180 x 110mm \/ 5g\/cft.Pt","offer_id":51813596299610,"sku":null,"price":61.04,"currency_code":"GBP","in_stock":true},{"title":"180 x 120mm \/ 0g\/cft.Pt","offer_id":51813596332378,"sku":null,"price":41.04,"currency_code":"GBP","in_stock":true},{"title":"180 x 120mm \/ 3g\/cft.Pt","offer_id":51813596365146,"sku":null,"price":55.46,"currency_code":"GBP","in_stock":true},{"title":"180 x 120mm \/ 5g\/cft.Pt","offer_id":51813596397914,"sku":null,"price":66.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/GasolineParticulateFilters.jpg?v=1754299836"},{"product_id":"high-performance-gasoline-particulate-filter-gpf","title":"High-Performance Gasoline Particulate Filter (GPF) | Ceramic Catalytic Filter for Cars | OPF\/PPF Compatible | Eco-Friendly Emission Reduction","description":"\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUpgrade your vehicle’s exhaust system with our premium \u003cstrong\u003eGasoline Particulate Filters (GPF)\u003c\/strong\u003e. Designed to reduce harmful emissions while maintaining optimal engine performance, our GPFs are compatible with a wide range of gasoline-powered vehicles. Whether you need a \u003cstrong\u003edirect-fit replacement\u003c\/strong\u003e or a \u003cstrong\u003euniversal upgrade\u003c\/strong\u003e, our filters deliver \u003cstrong\u003eefficient particulate trapping\u003c\/strong\u003e without restricting exhaust flow.\u003c\/span\u003e\u003cspan class=\"slate-node-text\" data-key=\"23\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan class=\"slate-node-text\" data-key=\"23\"\u003ePurchasing notice\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"slate-node-text\" data-key=\"23\"\u003e\u003cspan\u003e1. The product price only includes the price of 1 pc.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"24\" data-slate-type=\"p\" data-style=\"{}\"\u003e\u003cspan class=\"slate-node-text\" data-key=\"25\"\u003e2. If you need a large batch, please contact our customer service\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"28\" data-slate-type=\"p\" data-style=\"{}\" 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replace the catalyst of the original size and do not modify it\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"28\" data-slate-type=\"p\" data-style=\"{}\" 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class=\"slate-node-text\" data-key=\"29\"\u003e\u003cspan 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class=\"slate-node-text\" data-key=\"7\"\u003eDue to increased emissions standards, these items are not certified for sale in California, New York, Maine and Colorado.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"28\" data-slate-type=\"p\" data-style=\"{}\" 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class=\"slate-node-text\" data-key=\"7\"\u003e5.Support customization\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            margin-bottom: 20px;\n            font-family: Arial, sans-serif;\n        }\n        th, td {\n            border: 1px solid #ddd;\n            padding: 10px;\n            text-align: left;\n            vertical-align: top;\n        }\n        th {\n            background-color: #f2f2f2;\n            font-weight: bold;\n        }\n        .small-title {\n            color: #333;\n            font-size: 18px;\n            font-weight: bold;\n            margin: 15px 0 10px 0;\n        }\n        tr:nth-child(even) {\n            background-color: #f9f9f9;\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"small-title\"\u003eCoated vs Uncoated GPF: Core Functional Differences\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth width=\"20%\"\u003eComparison Items\u003c\/th\u003e\n\u003cth width=\"40%\"\u003eCoated GPF\u003c\/th\u003e\n\u003cth width=\"40%\"\u003eUncoated GPF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eParticulate filtration + Catalytic conversion (oxidizes CO\/HC)\u003c\/td\u003e\n\u003ctd\u003ePhysical particulate filtration only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiltration Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher (90%+, captures nano-sized particles)\u003c\/td\u003e\n\u003ctd\u003eLower (70-85%, relies on physical interception)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRegeneration Capability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEfficient passive regeneration (coating catalyzes soot oxidation)\u003c\/td\u003e\n\u003ctd\u003eRelies on high exhaust temperature for natural oxidation, slower regeneration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmission Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReduces PM, CO and HC emissions (similar to three-way catalyst)\u003c\/td\u003e\n\u003ctd\u003eOnly reduces PM emissions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackpressure Impact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly higher (coating increases flow resistance)\u003c\/td\u003e\n\u003ctd\u003eLower (no coating, better flow)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher cost (precious metal coating adds 30-50% cost)\u003c\/td\u003e\n\u003ctd\u003eLower cost (ceramic substrate only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLonger lifespan (100,000-150,000 km)\u003c\/td\u003e\n\u003ctd\u003eShorter lifespan (more affected by carbon buildup)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaintenance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMinimal maintenance required\u003c\/td\u003e\n\u003ctd\u003eRequires frequent backpressure checks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"SVIPCAT","offers":[{"title":"50.8 x 50.8 mm \/ (2.0 x 2.0 in) \/ 130 x 130mm \/ 0g\/cft.Pt","offer_id":51813848547674,"sku":null,"price":25.0,"currency_code":"GBP","in_stock":true},{"title":"50.8 x 50.8 mm \/ (2.0 x 2.0 in) \/ 130 x 130mm \/ 3g\/cft.Pt","offer_id":51813848580442,"sku":null,"price":33.0,"currency_code":"GBP","in_stock":true},{"title":"50.8 x 50.8 mm \/ (2.0 x 2.0 in) \/ 130 x 130mm 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5g\/cft.Pt","offer_id":51813849203034,"sku":null,"price":40.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 130 x 160mm \/ 0g\/cft.Pt","offer_id":51813849235802,"sku":null,"price":29.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 130 x 160mm \/ 3g\/cft.Pt","offer_id":51813849268570,"sku":null,"price":39.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 130 x 160mm \/ 5g\/cft.Pt","offer_id":51813849301338,"sku":null,"price":46.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 140 x 130mm \/ 0g\/cft.Pt","offer_id":51813849334106,"sku":null,"price":30.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 140 x 130mm \/ 3g\/cft.Pt","offer_id":51813849366874,"sku":null,"price":40.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 140 x 130mm \/ 5g\/cft.Pt","offer_id":51813849399642,"sku":null,"price":48.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 140 x 140mm \/ 0g\/cft.Pt","offer_id":51813849432410,"sku":null,"price":31.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 140 x 140mm \/ 3g\/cft.Pt","offer_id":51813849465178,"sku":null,"price":41.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 140 x 140mm \/ 5g\/cft.Pt","offer_id":51813849497946,"sku":null,"price":49.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 154 x 130mm \/ 0g\/cft.Pt","offer_id":51813849530714,"sku":null,"price":36.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 154 x 130mm \/ 3g\/cft.Pt","offer_id":51813849563482,"sku":null,"price":48.0,"currency_code":"GBP","in_stock":true},{"title":"63.5 x 63.5 mm \/ (2.5 x 2.5 in) \/ 154 x 130mm \/ 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5g\/cft.Pt","offer_id":51813850775898,"sku":null,"price":57.0,"currency_code":"GBP","in_stock":true},{"title":"88.9 x 88.9 mm \/ (3.5 x 3.5 in) \/ 154 x 160mm \/ 0g\/cft.Pt","offer_id":51813850808666,"sku":null,"price":42.0,"currency_code":"GBP","in_stock":true},{"title":"88.9 x 88.9 mm \/ (3.5 x 3.5 in) \/ 154 x 160mm \/ 3g\/cft.Pt","offer_id":51813850841434,"sku":null,"price":57.0,"currency_code":"GBP","in_stock":true},{"title":"88.9 x 88.9 mm \/ (3.5 x 3.5 in) \/ 154 x 160mm \/ 5g\/cft.Pt","offer_id":51813850874202,"sku":null,"price":68.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/OPF_PPF_compatible_filter.jpg?v=1754300487"},{"product_id":"universal-metal-poc-gasoline","title":"Universal Metal POC Gasoline Vehicle Exhaust System High-Flow Performance Exhaust Catalyst","description":"\u003cp\u003e\u003cstrong\u003e(Particle Oxidation Catalyst，POC）\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003cbr\u003eThrough the multi-fold unblocked channel, it absorbs particulate matter in the exhaust gas, and uses the high temperature of the exhaust gas (250℃ - 500℃) or the front-stage DOC catalyst to combine nitrogen monoxide with oxygen to generate nitrogen dioxide. Under the action of the catalyst, the oxygen produced by nitrogen dioxide burns with the captured carbon particles, oxidizing the particulate matter into carbon dioxide and discharging it, thereby reducing particulate matter emissions; it also has a certain conversion rate for HC (hydrocarbons) and CO (carbon monoxide), which can reach 80%-90%.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003cbr\u003eActive regeneration: no manual intervention is required, and regeneration is achieved through high temperature or chemical reaction of the exhaust gas;\u003cbr\u003eLow exhaust resistance: using a unique structure, compared with some particulate filters, it will not significantly increase the exhaust back pressure;\u003cbr\u003eStrong sulfur resistance: relatively high tolerance to fuel sulfur content;\u003cbr\u003eSimple structure: no need for complex ECU control and additional equipment;\u003cbr\u003eSmall vehicle size: easy to arrange on the car.\u003cbr\u003eDisadvantages:\u003cbr\u003eLimited filtering accuracy: only larger carbon particles can be filtered, and the ability to capture carbon particles below PM2.5 is low, and the PM reduction efficiency is 30%-80%;\u003cbr\u003eHigh working temperature requirements: it needs to be used in conjunction with DOC to achieve suitable working temperature conditions;\u003cbr\u003eRelatively high cost: the price is higher than DOC, although lower than DPF, but its popularity is limited in actual applications.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eProduct price includes 1pcs\u003c\/span\u003e\u003c\/p\u003e","brand":"SVIPCAT Store","offers":[{"title":"50.8 x 50.8 mm \/ (2.0 x 2.0 in) \/ Euro 5 \/ 101 x 110mm","offer_id":51855097069914,"sku":null,"price":24.0,"currency_code":"GBP","in_stock":true},{"title":"50.8 x 50.8 mm \/ (2.0 x 2.0 in) \/ Euro 5 \/ 114 x 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110mm","offer_id":51855098282330,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true},{"title":"88.9 x 88.9 mm \/ (3.5 x 3.5 in) \/ Euro 6 \/ 127 x 110mm","offer_id":51855098315098,"sku":null,"price":38.0,"currency_code":"GBP","in_stock":true},{"title":"88.9 x 88.9 mm \/ (3.5 x 3.5 in) \/ Euro 6 \/ 140 x 110mm","offer_id":51855098347866,"sku":null,"price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/Universal_POC_converter.jpg?v=1754391254"},{"product_id":"gpf-opf-filter-for-gasoline-vehicles-125mm","title":"GPF\/OPF Filter for Gasoline Vehicles 144mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cat-faq-module\"\u003e\n\u003cdiv class=\"module-header\"\u003e\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Q1 – 什么是堇青石汽油车GPF？ --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e What is a cordierite gasoline GPF?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eA \u003cstrong\u003ecordierite gasoline GPF (Gasoline Particulate Filter)\u003c\/strong\u003e is a ceramic wall‑flow filter made from cordierite (2MgO·2Al₂O₃·5SiO₂) that is installed in the exhaust system of gasoline direct‑injection (GDI) vehicles. Its primary purpose is to trap and remove particulate matter (soot) from the exhaust stream to meet stringent Euro 6 particle number (PN) limits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cordierite is chosen for its excellent thermal shock resistance, low thermal expansion coefficient, and ability to withstand high continuous operating temperatures (up to ~1200°C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e Unlike a flow‑through catalytic converter, a GPF uses a \u003cstrong\u003ewall‑flow\u003c\/strong\u003e honeycomb design with alternating channels plugged at the ends. This forces exhaust gases to pass through the porous ceramic walls, where soot particles are physically captured.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration Efficiency:\u003c\/strong\u003e Cordierite GPFs achieve particle filtration rates of over 90%, significantly reducing soot emissions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive \u0026amp; Active Regeneration:\u003c\/strong\u003e The collected soot is periodically burned off at high temperatures (around 600°C) to restore filter capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCordierite GPFs are the most common type used in modern GDI vehicles due to their cost‑effectiveness, durability, and excellent filtration performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q2 – 汽油车GPF工作原理？ --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of gasoline GPF\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eA gasoline GPF operates on the \u003cstrong\u003ewall‑flow filtration\u003c\/strong\u003e principle combined with \u003cstrong\u003ecatalytic regeneration\u003c\/strong\u003e. Here’s how it works step by step:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFiltration:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExhaust gas enters the inlet channels of the honeycomb structure. The ends of these channels are plugged, so the gas is forced to pass through the porous ceramic walls into the adjacent outlet channels.\u003c\/li\u003e\n\u003cli\u003eDuring this passage, soot particles (PM) larger than the pore size (typically 10–20 µm) are trapped on the wall surface and within the pores.\u003c\/li\u003e\n\u003cli\u003eThe clean gas then exits through the outlet channels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRegeneration (Soot Removal):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOver time, trapped soot builds up and increases exhaust backpressure. The filter must be regenerated to burn off the soot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePassive regeneration\u003c\/strong\u003e occurs during normal high‑speed or high‑load driving, when exhaust temperatures rise above 500°C and oxidise the soot in the presence of oxygen (or with the help of a catalytic coating).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive regeneration\u003c\/strong\u003e is initiated by the engine control unit (ECU) when the backpressure reaches a threshold. It adjusts the air‑fuel mixture or injects extra fuel to raise exhaust temperatures to ~600°C, enabling complete soot burn‑off.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis cycle of filtration and regeneration allows the GPF to maintain low emissions and optimal engine performance over its lifetime.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q3 – GPF涂层和不涂层的区别？ --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e Difference between coated and uncoated GPF?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eThe main difference between a \u003cstrong\u003ecoated\u003c\/strong\u003e and an \u003cstrong\u003euncoated\u003c\/strong\u003e GPF lies in the presence of a catalytic washcoat on the filter walls. This affects both filtration performance and regeneration capability.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAspect\u003c\/th\u003e\n\u003cth\u003eCoated GPF\u003c\/th\u003e\n\u003cth\u003eUncoated GPF\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCatalytic Coating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContains a washcoat with precious metals (Pt, Pd, Rh) and promoters (ceria, zirconia).\u003c\/td\u003e\n\u003ctd\u003eNo catalytic coating; the filter is made of pure cordierite ceramic.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFiltration Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher due to the porous coating that refines the pore structure.\u003c\/td\u003e\n\u003ctd\u003eGood but may have slightly larger effective pore size.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRegeneration Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower soot ignition temperature (~400–500°C) due to catalytic promotion, enabling easier passive regeneration.\u003c\/td\u003e\n\u003ctd\u003eRequires higher temperatures (~550–600°C) for soot oxidation, often needing active regeneration more frequently.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConversion of Gaseous Pollutants\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCan also oxidize CO and HC, acting as a secondary catalyst.\u003c\/td\u003e\n\u003ctd\u003eOnly filters particles; does not convert CO or HC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMore expensive due to the precious metal coating.\u003c\/td\u003e\n\u003ctd\u003eLower cost.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePreferred for Euro 6d and stricter regulations; widely used in modern GDI vehicles.\u003c\/td\u003e\n\u003ctd\u003eSometimes used in older designs or combined with a downstream TWC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIn practice, most OEM GPFs are coated to ensure reliable regeneration and overall emission control, especially under real‑world driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q4 – 汽油车GPF效果？ --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e Effectiveness of gasoline GPF\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eA properly functioning gasoline GPF delivers significant emission reductions and performance benefits:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParticulate Matter Reduction:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces particle number (PN) emissions by \u003cstrong\u003e90–95%\u003c\/strong\u003e, bringing gasoline vehicles in line with diesel Euro 6 PN limits.\u003c\/li\u003e\n\u003cli\u003eCaptures particles as small as 10 nm, including the most harmful ultrafine particles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGaseous Emission Improvement (coated GPF):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdditional oxidation of CO and HC by up to 20–30%, supplementing the main TWC.\u003c\/li\u003e\n\u003cli\u003eHelps maintain low tailpipe emissions throughout the vehicle’s life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Performance \u0026amp; Durability:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMinimal impact on fuel consumption and engine power when regenerated properly.\u003c\/li\u003e\n\u003cli\u003eProtects the downstream catalyst from soot contamination, extending the life of the entire exhaust system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eReal‑World Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces soot accumulation in the exhaust, lowering the risk of clogged EGR valves or turbochargers.\u003c\/li\u003e\n\u003cli\u003eHelps vehicles pass emission inspections and meet legal requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHowever, effectiveness depends on correct installation, proper engine tuning, and regular maintenance (e.g., avoiding short trips that prevent regeneration).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q5 – 质保：1年（补充内容） --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e Warranty policy: 1 year\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eWe offer a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e on our cordierite GPF products from the date of purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturing defects in the ceramic substrate, such as cracks, broken walls, or structural failures that occur under normal use.\u003c\/li\u003e\n\u003cli\u003eCoating integrity for coated GPFs (flaking or detachment of the washcoat).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is NOT covered:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDamage caused by improper installation (e.g., over‑torquing, incorrect orientation, or physical impact).\u003c\/li\u003e\n\u003cli\u003eEngine‑related issues (misfires, excessive oil consumption, or incorrect air‑fuel mixture) that lead to overheating or clogging.\u003c\/li\u003e\n\u003cli\u003eFuel contamination (leaded fuel, high‑sulfur fuel, or additives that poison the filter).\u003c\/li\u003e\n\u003cli\u003eMelting or sintering due to sustained exhaust temperatures above 1200°C.\u003c\/li\u003e\n\u003cli\u003eNormal wear and tear or soot loading beyond the filter’s capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eClaim procedure:\u003c\/strong\u003e To make a warranty claim, please contact our support team with your order number, installation records, and clear photos of the defect. We will review each case individually.\u003c\/p\u003e\n\u003cp\u003eWe recommend professional installation and regular maintenance to ensure the GPF operates within its design parameters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q6 – 陶瓷GPF的安装原理 --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e Installation principle for ceramic GPF\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eInstalling a ceramic GPF requires careful attention to its physical and operational requirements. The following principles should be followed:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Position:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe GPF must be placed \u003cstrong\u003eafter the TWC\u003c\/strong\u003e (three‑way catalyst) but \u003cstrong\u003ebefore the muffler\u003c\/strong\u003e in the exhaust system. This ensures sufficient exhaust temperature for regeneration and reduces the risk of condensation.\u003c\/li\u003e\n\u003cli\u003eIt should be oriented with the flow direction arrow pointing towards the rear of the vehicle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Support:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe filter is heavy and brittle; it must be securely supported by brackets or a robust housing to prevent vibration‑induced cracking.\u003c\/li\u003e\n\u003cli\u003eUse OEM‑specified mounting mats or cushions to absorb thermal expansion and dampen vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSealing \u0026amp; Connections:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure exhaust pipe ends are clean and free of debris before fitting.\u003c\/li\u003e\n\u003cli\u003eUse new gaskets and high‑temperature sealant to avoid leaks.\u003c\/li\u003e\n\u003cli\u003eTighten flange bolts to the correct torque (typically 30–45 Nm) in a cross‑pattern to avoid warping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical \u0026amp; Sensor Considerations:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIf the GPF has an integrated pressure sensor or temperature sensor, ensure they are correctly connected to the ECU.\u003c\/li\u003e\n\u003cli\u003eFor coated GPFs, oxygen sensor placement may need adjustment to maintain correct closed‑loop control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePost‑Installation Checks:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStart the engine and check for exhaust leaks.\u003c\/li\u003e\n\u003cli\u003ePerform a forced regeneration cycle (if equipped) to verify the filter behaves correctly.\u003c\/li\u003e\n\u003cli\u003eMonitor the ECU for any fault codes related to GPF efficiency or backpressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"warning-box\"\u003e⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e Ceramic GPFs are fragile – handle with extreme care. Dropping or knocking the filter can cause invisible cracks that will lead to failure. Always use the provided housing and support brackets.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q7 – 发货\/运输时间（保持不变） --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n\u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n\u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q8 – 联系我们（保持不变） --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"contact-item\"\u003e\n\u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003eWhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003eE-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- Q9 – 公司总部地址（保持不变） --\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n\u003cdiv class=\"answer-wrap\"\u003e\n\u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"144x100mm \/ No coating","offer_id":53440046367066,"sku":null,"price":28.98,"currency_code":"GBP","in_stock":true},{"title":"144x100mm \/ 3 g\/cft","offer_id":54431295570266,"sku":null,"price":57.96,"currency_code":"GBP","in_stock":true},{"title":"144x127mm \/ No coating","offer_id":54431520915802,"sku":null,"price":36.8,"currency_code":"GBP","in_stock":true},{"title":"144x127mm \/ 3 g\/cft","offer_id":54431520948570,"sku":null,"price":73.6,"currency_code":"GBP","in_stock":true},{"title":"144x152mm \/ No coating","offer_id":54431520981338,"sku":null,"price":43.91,"currency_code":"GBP","in_stock":true},{"title":"144x152mm \/ 3 g\/cft","offer_id":54431521014106,"sku":null,"price":87.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/GPF_OPF_Filter_for_Gasoline_Vehicles_125mm.jpg?v=1769504938"},{"product_id":"gpf-opf-filter-for-gasoline-vehicles-143-8mm","title":"GPF\/OPF Filter for Gasoline Vehicles 132mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 什么是堇青石汽油车GPF？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e What is a cordierite gasoline GPF?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003ecordierite gasoline GPF (Gasoline Particulate Filter)\u003c\/strong\u003e is a ceramic wall‑flow filter made from cordierite (2MgO·2Al₂O₃·5SiO₂) that is installed in the exhaust system of gasoline direct‑injection (GDI) vehicles. Its primary purpose is to trap and remove particulate matter (soot) from the exhaust stream to meet stringent Euro 6 particle number (PN) limits.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cordierite is chosen for its excellent thermal shock resistance, low thermal expansion coefficient, and ability to withstand high continuous operating temperatures (up to ~1200°C).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e Unlike a flow‑through catalytic converter, a GPF uses a \u003cstrong\u003ewall‑flow\u003c\/strong\u003e honeycomb design with alternating channels plugged at the ends. This forces exhaust gases to pass through the porous ceramic walls, where soot particles are physically captured.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFiltration Efficiency:\u003c\/strong\u003e Cordierite GPFs achieve particle filtration rates of over 90%, significantly reducing soot emissions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive \u0026amp; Active Regeneration:\u003c\/strong\u003e The collected soot is periodically burned off at high temperatures (around 600°C) to restore filter capacity.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eCordierite GPFs are the most common type used in modern GDI vehicles due to their cost‑effectiveness, durability, and excellent filtration performance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 汽油车GPF工作原理？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of gasoline GPF\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA gasoline GPF operates on the \u003cstrong\u003ewall‑flow filtration\u003c\/strong\u003e principle combined with \u003cstrong\u003ecatalytic regeneration\u003c\/strong\u003e. Here’s how it works step by step:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eFiltration:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eExhaust gas enters the inlet channels of the honeycomb structure. The ends of these channels are plugged, so the gas is forced to pass through the porous ceramic walls into the adjacent outlet channels.\u003c\/li\u003e\n        \u003cli\u003eDuring this passage, soot particles (PM) larger than the pore size (typically 10–20 µm) are trapped on the wall surface and within the pores.\u003c\/li\u003e\n        \u003cli\u003eThe clean gas then exits through the outlet channels.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eRegeneration (Soot Removal):\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eOver time, trapped soot builds up and increases exhaust backpressure. The filter must be regenerated to burn off the soot.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive regeneration\u003c\/strong\u003e occurs during normal high‑speed or high‑load driving, when exhaust temperatures rise above 500°C and oxidise the soot in the presence of oxygen (or with the help of a catalytic coating).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eActive regeneration\u003c\/strong\u003e is initiated by the engine control unit (ECU) when the backpressure reaches a threshold. It adjusts the air‑fuel mixture or injects extra fuel to raise exhaust temperatures to ~600°C, enabling complete soot burn‑off.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eThis cycle of filtration and regeneration allows the GPF to maintain low emissions and optimal engine performance over its lifetime.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – GPF涂层和不涂层的区别？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e Difference between coated and uncoated GPF?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThe main difference between a \u003cstrong\u003ecoated\u003c\/strong\u003e and an \u003cstrong\u003euncoated\u003c\/strong\u003e GPF lies in the presence of a catalytic washcoat on the filter walls. This affects both filtration performance and regeneration capability.\u003c\/p\u003e\n\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eAspect\u003c\/th\u003e\n            \u003cth\u003eCoated GPF\u003c\/th\u003e\n            \u003cth\u003eUncoated GPF\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eCatalytic Coating\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eContains a washcoat with precious metals (Pt, Pd, Rh) and promoters (ceria, zirconia).\u003c\/td\u003e\n            \u003ctd\u003eNo catalytic coating; the filter is made of pure cordierite ceramic.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eFiltration Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eHigher due to the porous coating that refines the pore structure.\u003c\/td\u003e\n            \u003ctd\u003eGood but may have slightly larger effective pore size.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eRegeneration Temperature\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eLower soot ignition temperature (~400–500°C) due to catalytic promotion, enabling easier passive regeneration.\u003c\/td\u003e\n            \u003ctd\u003eRequires higher temperatures (~550–600°C) for soot oxidation, often needing active regeneration more frequently.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eConversion of Gaseous Pollutants\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eCan also oxidize CO and HC, acting as a secondary catalyst.\u003c\/td\u003e\n            \u003ctd\u003eOnly filters particles; does not convert CO or HC.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eMore expensive due to the precious metal coating.\u003c\/td\u003e\n            \u003ctd\u003eLower cost.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003ePreferred for Euro 6d and stricter regulations; widely used in modern GDI vehicles.\u003c\/td\u003e\n            \u003ctd\u003eSometimes used in older designs or combined with a downstream TWC.\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n\n      \u003cp\u003eIn practice, most OEM GPFs are coated to ensure reliable regeneration and overall emission control, especially under real‑world driving conditions.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 汽油车GPF效果？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e Effectiveness of gasoline GPF\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA properly functioning gasoline GPF delivers significant emission reductions and performance benefits:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eParticulate Matter Reduction:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eReduces particle number (PN) emissions by \u003cstrong\u003e90–95%\u003c\/strong\u003e, bringing gasoline vehicles in line with diesel Euro 6 PN limits.\u003c\/li\u003e\n        \u003cli\u003eCaptures particles as small as 10 nm, including the most harmful ultrafine particles.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eGaseous Emission Improvement (coated GPF):\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eAdditional oxidation of CO and HC by up to 20–30%, supplementing the main TWC.\u003c\/li\u003e\n        \u003cli\u003eHelps maintain low tailpipe emissions throughout the vehicle’s life.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eEngine Performance \u0026amp; Durability:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eMinimal impact on fuel consumption and engine power when regenerated properly.\u003c\/li\u003e\n        \u003cli\u003eProtects the downstream catalyst from soot contamination, extending the life of the entire exhaust system.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eReal‑World Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eReduces soot accumulation in the exhaust, lowering the risk of clogged EGR valves or turbochargers.\u003c\/li\u003e\n        \u003cli\u003eHelps vehicles pass emission inspections and meet legal requirements.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eHowever, effectiveness depends on correct installation, proper engine tuning, and regular maintenance (e.g., avoiding short trips that prevent regeneration).\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 质保：1年（补充内容） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e Warranty policy: 1 year\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eWe offer a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e on our cordierite GPF products from the date of purchase.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhat is covered:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eManufacturing defects in the ceramic substrate, such as cracks, broken walls, or structural failures that occur under normal use.\u003c\/li\u003e\n        \u003cli\u003eCoating integrity for coated GPFs (flaking or detachment of the washcoat).\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhat is NOT covered:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eDamage caused by improper installation (e.g., over‑torquing, incorrect orientation, or physical impact).\u003c\/li\u003e\n        \u003cli\u003eEngine‑related issues (misfires, excessive oil consumption, or incorrect air‑fuel mixture) that lead to overheating or clogging.\u003c\/li\u003e\n        \u003cli\u003eFuel contamination (leaded fuel, high‑sulfur fuel, or additives that poison the filter).\u003c\/li\u003e\n        \u003cli\u003eMelting or sintering due to sustained exhaust temperatures above 1200°C.\u003c\/li\u003e\n        \u003cli\u003eNormal wear and tear or soot loading beyond the filter’s capacity.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eClaim procedure:\u003c\/strong\u003e To make a warranty claim, please contact our support team with your order number, installation records, and clear photos of the defect. We will review each case individually.\u003c\/p\u003e\n\n      \u003cp\u003eWe recommend professional installation and regular maintenance to ensure the GPF operates within its design parameters.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 陶瓷GPF的安装原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e Installation principle for ceramic GPF\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eInstalling a ceramic GPF requires careful attention to its physical and operational requirements. The following principles should be followed:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMounting Position:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eThe GPF must be placed \u003cstrong\u003eafter the TWC\u003c\/strong\u003e (three‑way catalyst) but \u003cstrong\u003ebefore the muffler\u003c\/strong\u003e in the exhaust system. This ensures sufficient exhaust temperature for regeneration and reduces the risk of condensation.\u003c\/li\u003e\n        \u003cli\u003eIt should be oriented with the flow direction arrow pointing towards the rear of the vehicle.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMechanical Support:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eThe filter is heavy and brittle; it must be securely supported by brackets or a robust housing to prevent vibration‑induced cracking.\u003c\/li\u003e\n        \u003cli\u003eUse OEM‑specified mounting mats or cushions to absorb thermal expansion and dampen vibration.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eSealing \u0026amp; Connections:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eEnsure exhaust pipe ends are clean and free of debris before fitting.\u003c\/li\u003e\n        \u003cli\u003eUse new gaskets and high‑temperature sealant to avoid leaks.\u003c\/li\u003e\n        \u003cli\u003eTighten flange bolts to the correct torque (typically 30–45 Nm) in a cross‑pattern to avoid warping.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eElectrical \u0026amp; Sensor Considerations:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf the GPF has an integrated pressure sensor or temperature sensor, ensure they are correctly connected to the ECU.\u003c\/li\u003e\n        \u003cli\u003eFor coated GPFs, oxygen sensor placement may need adjustment to maintain correct closed‑loop control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePost‑Installation Checks:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eStart the engine and check for exhaust leaks.\u003c\/li\u003e\n        \u003cli\u003ePerform a forced regeneration cycle (if equipped) to verify the filter behaves correctly.\u003c\/li\u003e\n        \u003cli\u003eMonitor the ECU for any fault codes related to GPF efficiency or backpressure.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e Ceramic GPFs are fragile – handle with extreme care. Dropping or knocking the filter can cause invisible cracks that will lead to failure. Always use the provided housing and support brackets.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 发货\/运输时间（保持不变） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 联系我们（保持不变） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 公司总部地址（保持不变） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"132x100mm \/ No coating","offer_id":53440070615386,"sku":null,"price":24.36,"currency_code":"GBP","in_stock":true},{"title":"132x100mm \/ 3 g\/cft","offer_id":54431291801946,"sku":null,"price":48.71,"currency_code":"GBP","in_stock":true},{"title":"132x127mm \/ No coating","offer_id":54431511052634,"sku":null,"price":30.93,"currency_code":"GBP","in_stock":true},{"title":"132x127mm \/ 3 g\/cft","offer_id":54431511085402,"sku":null,"price":61.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/GPF_OPF_Filter_for_Gasoline_Vehicles_143.8mm.jpg?v=1769505172"},{"product_id":"gpf-opf-filter-for-gasoline-vehicles-132mm","title":"GPF\/OPF Filter for Gasoline Vehicles 118mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 什么是堇青石汽油车GPF？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e What is a cordierite gasoline GPF?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003ecordierite gasoline GPF (Gasoline Particulate Filter)\u003c\/strong\u003e is a ceramic wall‑flow filter made from cordierite (2MgO·2Al₂O₃·5SiO₂) that is installed in the exhaust system of gasoline direct‑injection (GDI) vehicles. Its primary purpose is to trap and remove particulate matter (soot) from the exhaust stream to meet stringent Euro 6 particle number (PN) limits.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cordierite is chosen for its excellent thermal shock resistance, low thermal expansion coefficient, and ability to withstand high continuous operating temperatures (up to ~1200°C).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e Unlike a flow‑through catalytic converter, a GPF uses a \u003cstrong\u003ewall‑flow\u003c\/strong\u003e honeycomb design with alternating channels plugged at the ends. This forces exhaust gases to pass through the porous ceramic walls, where soot particles are physically captured.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFiltration Efficiency:\u003c\/strong\u003e Cordierite GPFs achieve particle filtration rates of over 90%, significantly reducing soot emissions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive \u0026amp; Active Regeneration:\u003c\/strong\u003e The collected soot is periodically burned off at high temperatures (around 600°C) to restore filter capacity.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eCordierite GPFs are the most common type used in modern GDI vehicles due to their cost‑effectiveness, durability, and excellent filtration performance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 汽油车GPF工作原理？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of gasoline GPF\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA gasoline GPF operates on the \u003cstrong\u003ewall‑flow filtration\u003c\/strong\u003e principle combined with \u003cstrong\u003ecatalytic regeneration\u003c\/strong\u003e. Here’s how it works step by step:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eFiltration:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eExhaust gas enters the inlet channels of the honeycomb structure. The ends of these channels are plugged, so the gas is forced to pass through the porous ceramic walls into the adjacent outlet channels.\u003c\/li\u003e\n        \u003cli\u003eDuring this passage, soot particles (PM) larger than the pore size (typically 10–20 µm) are trapped on the wall surface and within the pores.\u003c\/li\u003e\n        \u003cli\u003eThe clean gas then exits through the outlet channels.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eRegeneration (Soot Removal):\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eOver time, trapped soot builds up and increases exhaust backpressure. The filter must be regenerated to burn off the soot.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive regeneration\u003c\/strong\u003e occurs during normal high‑speed or high‑load driving, when exhaust temperatures rise above 500°C and oxidise the soot in the presence of oxygen (or with the help of a catalytic coating).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eActive regeneration\u003c\/strong\u003e is initiated by the engine control unit (ECU) when the backpressure reaches a threshold. It adjusts the air‑fuel mixture or injects extra fuel to raise exhaust temperatures to ~600°C, enabling complete soot burn‑off.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eThis cycle of filtration and regeneration allows the GPF to maintain low emissions and optimal engine performance over its lifetime.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – GPF涂层和不涂层的区别？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e Difference between coated and uncoated GPF?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThe main difference between a \u003cstrong\u003ecoated\u003c\/strong\u003e and an \u003cstrong\u003euncoated\u003c\/strong\u003e GPF lies in the presence of a catalytic washcoat on the filter walls. This affects both filtration performance and regeneration capability.\u003c\/p\u003e\n\n      \u003ctable\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eAspect\u003c\/th\u003e\n            \u003cth\u003eCoated GPF\u003c\/th\u003e\n            \u003cth\u003eUncoated GPF\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eCatalytic Coating\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eContains a washcoat with precious metals (Pt, Pd, Rh) and promoters (ceria, zirconia).\u003c\/td\u003e\n            \u003ctd\u003eNo catalytic coating; the filter is made of pure cordierite ceramic.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eFiltration Efficiency\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eHigher due to the porous coating that refines the pore structure.\u003c\/td\u003e\n            \u003ctd\u003eGood but may have slightly larger effective pore size.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eRegeneration Temperature\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eLower soot ignition temperature (~400–500°C) due to catalytic promotion, enabling easier passive regeneration.\u003c\/td\u003e\n            \u003ctd\u003eRequires higher temperatures (~550–600°C) for soot oxidation, often needing active regeneration more frequently.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eConversion of Gaseous Pollutants\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eCan also oxidize CO and HC, acting as a secondary catalyst.\u003c\/td\u003e\n            \u003ctd\u003eOnly filters particles; does not convert CO or HC.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eMore expensive due to the precious metal coating.\u003c\/td\u003e\n            \u003ctd\u003eLower cost.\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003ePreferred for Euro 6d and stricter regulations; widely used in modern GDI vehicles.\u003c\/td\u003e\n            \u003ctd\u003eSometimes used in older designs or combined with a downstream TWC.\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n\n      \u003cp\u003eIn practice, most OEM GPFs are coated to ensure reliable regeneration and overall emission control, especially under real‑world driving conditions.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 汽油车GPF效果？ --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e Effectiveness of gasoline GPF\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA properly functioning gasoline GPF delivers significant emission reductions and performance benefits:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eParticulate Matter Reduction:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eReduces particle number (PN) emissions by \u003cstrong\u003e90–95%\u003c\/strong\u003e, bringing gasoline vehicles in line with diesel Euro 6 PN limits.\u003c\/li\u003e\n        \u003cli\u003eCaptures particles as small as 10 nm, including the most harmful ultrafine particles.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eGaseous Emission Improvement (coated GPF):\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eAdditional oxidation of CO and HC by up to 20–30%, supplementing the main TWC.\u003c\/li\u003e\n        \u003cli\u003eHelps maintain low tailpipe emissions throughout the vehicle’s life.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eEngine Performance \u0026amp; Durability:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eMinimal impact on fuel consumption and engine power when regenerated properly.\u003c\/li\u003e\n        \u003cli\u003eProtects the downstream catalyst from soot contamination, extending the life of the entire exhaust system.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eReal‑World Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eReduces soot accumulation in the exhaust, lowering the risk of clogged EGR valves or turbochargers.\u003c\/li\u003e\n        \u003cli\u003eHelps vehicles pass emission inspections and meet legal requirements.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eHowever, effectiveness depends on correct installation, proper engine tuning, and regular maintenance (e.g., avoiding short trips that prevent regeneration).\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 质保：1年（补充内容） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e Warranty policy: 1 year\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eWe offer a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e on our cordierite GPF products from the date of purchase.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhat is covered:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eManufacturing defects in the ceramic substrate, such as cracks, broken walls, or structural failures that occur under normal use.\u003c\/li\u003e\n        \u003cli\u003eCoating integrity for coated GPFs (flaking or detachment of the washcoat).\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhat is NOT covered:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eDamage caused by improper installation (e.g., over‑torquing, incorrect orientation, or physical impact).\u003c\/li\u003e\n        \u003cli\u003eEngine‑related issues (misfires, excessive oil consumption, or incorrect air‑fuel mixture) that lead to overheating or clogging.\u003c\/li\u003e\n        \u003cli\u003eFuel contamination (leaded fuel, high‑sulfur fuel, or additives that poison the filter).\u003c\/li\u003e\n        \u003cli\u003eMelting or sintering due to sustained exhaust temperatures above 1200°C.\u003c\/li\u003e\n        \u003cli\u003eNormal wear and tear or soot loading beyond the filter’s capacity.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eClaim procedure:\u003c\/strong\u003e To make a warranty claim, please contact our support team with your order number, installation records, and clear photos of the defect. We will review each case individually.\u003c\/p\u003e\n\n      \u003cp\u003eWe recommend professional installation and regular maintenance to ensure the GPF operates within its design parameters.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 陶瓷GPF的安装原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e Installation principle for ceramic GPF\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eInstalling a ceramic GPF requires careful attention to its physical and operational requirements. The following principles should be followed:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMounting Position:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eThe GPF must be placed \u003cstrong\u003eafter the TWC\u003c\/strong\u003e (three‑way catalyst) but \u003cstrong\u003ebefore the muffler\u003c\/strong\u003e in the exhaust system. This ensures sufficient exhaust temperature for regeneration and reduces the risk of condensation.\u003c\/li\u003e\n        \u003cli\u003eIt should be oriented with the flow direction arrow pointing towards the rear of the vehicle.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMechanical Support:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eThe filter is heavy and brittle; it must be securely supported by brackets or a robust housing to prevent vibration‑induced cracking.\u003c\/li\u003e\n        \u003cli\u003eUse OEM‑specified mounting mats or cushions to absorb thermal expansion and dampen vibration.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eSealing \u0026amp; Connections:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eEnsure exhaust pipe ends are clean and free of debris before fitting.\u003c\/li\u003e\n        \u003cli\u003eUse new gaskets and high‑temperature sealant to avoid leaks.\u003c\/li\u003e\n        \u003cli\u003eTighten flange bolts to the correct torque (typically 30–45 Nm) in a cross‑pattern to avoid warping.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eElectrical \u0026amp; Sensor Considerations:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf the GPF has an integrated pressure sensor or temperature sensor, ensure they are correctly connected to the ECU.\u003c\/li\u003e\n        \u003cli\u003eFor coated GPFs, oxygen sensor placement may need adjustment to maintain correct closed‑loop control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePost‑Installation Checks:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eStart the engine and check for exhaust leaks.\u003c\/li\u003e\n        \u003cli\u003ePerform a forced regeneration cycle (if equipped) to verify the filter behaves correctly.\u003c\/li\u003e\n        \u003cli\u003eMonitor the ECU for any fault codes related to GPF efficiency or backpressure.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant:\u003c\/strong\u003e Ceramic GPFs are fragile – handle with extreme care. Dropping or knocking the filter can cause invisible cracks that will lead to failure. Always use the provided housing and support brackets.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 发货\/运输时间（保持不变） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 联系我们（保持不变） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 公司总部地址（保持不变） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"118x100mm \/ No coating","offer_id":53440222921050,"sku":null,"price":19.38,"currency_code":"GBP","in_stock":true},{"title":"118x100mm \/ 3 g\/cft","offer_id":54431289344346,"sku":null,"price":38.76,"currency_code":"GBP","in_stock":true},{"title":"118x127mm \/ No coating","offer_id":54431501320538,"sku":null,"price":24.71,"currency_code":"GBP","in_stock":true},{"title":"118x127mm \/ 3 g\/cft","offer_id":54431501353306,"sku":null,"price":49.42,"currency_code":"GBP","in_stock":true},{"title":"118x152mm \/ No coating","offer_id":54431501386074,"sku":null,"price":29.51,"currency_code":"GBP","in_stock":true},{"title":"118x152mm \/ 3 g\/cft","offer_id":54431501418842,"sku":null,"price":59.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/GPF_OPF_Filter_for_Gasoline_Vehicles_132mm.jpg?v=1769506218"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-136mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 136mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"136x100mm \/ 3g\/cft","offer_id":54431309594970,"sku":null,"price":41.24,"currency_code":"GBP","in_stock":true},{"title":"136x100mm \/ 5g\/cft","offer_id":54431309627738,"sku":null,"price":51.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_161f279c-951c-4e54-a73f-74cbcf7d129e.jpg?v=1784165908"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-150mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 150mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"150x90mm \/ 3g\/cft","offer_id":54431309824346,"sku":null,"price":45.23,"currency_code":"GBP","in_stock":true},{"title":"150x90mm \/ 5g\/cft","offer_id":54431309857114,"sku":null,"price":56.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_dedc097a-df7a-43ae-a4e9-d4765f7c4d35.jpg?v=1784166113"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-98mm-1","title":"POC Catalytic Converter for Gasoline Cars Diameter 98mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"98x100mm \/ 3g\/cft","offer_id":54431310250330,"sku":null,"price":21.33,"currency_code":"GBP","in_stock":true},{"title":"98x100mm \/ 5g\/cft","offer_id":54431310283098,"sku":null,"price":26.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_e7dccf0e-bf30-442d-b043-a2bc9fcc2987.jpg?v=1784166196"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-110mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 110mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"110x100mm \/ 3g\/cft","offer_id":54431310840154,"sku":null,"price":27.02,"currency_code":"GBP","in_stock":true},{"title":"110x100mm \/ 5g\/cft","offer_id":54431310872922,"sku":null,"price":33.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_ddbb1f64-1f4f-44dc-b48b-9188608cb0d1.jpg?v=1784166484"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-118mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 118mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"118x100mm \/ 3g\/cft","offer_id":54431314116954,"sku":null,"price":31.01,"currency_code":"GBP","in_stock":true},{"title":"118x100mm \/ 5g\/cft","offer_id":54431314149722,"sku":null,"price":38.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_69883356-318b-48d6-addf-ddfc4fe2dcd3.jpg?v=1784166682"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-120mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 120mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"120x100mm \/ 3g\/cft","offer_id":54431314248026,"sku":null,"price":32.14,"currency_code":"GBP","in_stock":true},{"title":"120x100mm \/ 5g\/cft","offer_id":54431314280794,"sku":null,"price":40.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_a473e0f9-d630-4f11-8f81-487aa471ec75.jpg?v=1784166737"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-123mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 123mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"123x100mm \/ 3g\/cft","offer_id":54431314706778,"sku":null,"price":33.85,"currency_code":"GBP","in_stock":true},{"title":"123x100mm \/ 5g\/cft","offer_id":54431314739546,"sku":null,"price":42.31,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_43828a0d-eec3-4b46-bf70-0b04f9d7b51e.jpg?v=1784166767"},{"product_id":"poc-catalytic-converter-for-gasoline-cars-diameter-127mm","title":"POC Catalytic Converter for Gasoline Cars Diameter 127mm","description":"\u003cstyle\u003e\n  .cat-faq-module {\n    max-width: 100%;\n    margin: 30px 0;\n    font-family: 'Segoe UI', Roboto, Arial, sans-serif;\n    background: #ffffff;\n    border-radius: 28px;\n    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);\n    border: 1px solid #edf2f7;\n    padding: 30px 32px 10px 32px;\n    box-sizing: border-box;\n  }\n  .cat-faq-module .module-header {\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    padding-bottom: 18px;\n    border-bottom: 3px solid #f0f4fa;\n    margin-bottom: 20px;\n  }\n  .cat-faq-module .module-header h2 {\n    font-size: 28px;\n    font-weight: 700;\n    color: #0b1a33;\n    margin: 0;\n    letter-spacing: -0.3px;\n  }\n  .cat-faq-module .module-header .badge {\n    background: #0b1a33;\n    color: #fff;\n    font-size: 14px;\n    font-weight: 600;\n    padding: 2px 18px;\n    border-radius: 30px;\n    letter-spacing: 0.3px;\n  }\n  .cat-faq-module details {\n    display: block;\n    margin-bottom: 6px;\n    border-bottom: 1px solid #eef2f6;\n    padding: 8px 0;\n    transition: all 0.2s ease;\n  }\n  .cat-faq-module details:last-of-type {\n    border-bottom: none;\n  }\n  .cat-faq-module summary {\n    display: flex;\n    align-items: center;\n    cursor: pointer;\n    font-size: 17px;\n    font-weight: 600;\n    color: #0b1a33;\n    padding: 10px 4px 10px 0;\n    list-style: none;\n    position: relative;\n    user-select: none;\n    gap: 12px;\n  }\n  .cat-faq-module summary::-webkit-details-marker {\n    display: none;\n  }\n  .cat-faq-module summary::before {\n    content: \"▶\";\n    font-size: 14px;\n    color: #1a73e8;\n    transition: transform 0.25s ease;\n    display: inline-block;\n    width: 20px;\n    font-weight: 400;\n  }\n  .cat-faq-module details[open] \u003e summary::before {\n    transform: rotate(90deg);\n  }\n  .cat-faq-module summary .q-mark {\n    background: #eef5ff;\n    color: #1a73e8;\n    font-weight: 700;\n    font-size: 14px;\n    padding: 0 12px;\n    border-radius: 20px;\n    line-height: 26px;\n  }\n  .cat-faq-module .answer-wrap {\n    padding: 8px 20px 16px 36px;\n    color: #2c3e50;\n    font-size: 15.5px;\n    line-height: 1.75;\n  }\n  .cat-faq-module .answer-wrap p {\n    margin: 0 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap p:last-child {\n    margin-bottom: 0;\n  }\n  .cat-faq-module .answer-wrap ul, \n  .cat-faq-module .answer-wrap ol {\n    padding-left: 22px;\n    margin: 6px 0 12px 0;\n  }\n  .cat-faq-module .answer-wrap li {\n    margin-bottom: 4px;\n  }\n  .cat-faq-module .answer-wrap strong {\n    color: #0b1a33;\n  }\n  .cat-faq-module .warning-box {\n    background: #f9fcff;\n    border-left: 5px solid #1a73e8;\n    padding: 14px 22px;\n    border-radius: 12px;\n    margin: 12px 0 4px 0;\n    font-size: 15px;\n  }\n  .cat-faq-module table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 14.5px;\n    margin: 12px 0;\n  }\n  .cat-faq-module table th,\n  .cat-faq-module table td {\n    border: 1px solid #dce1e9;\n    padding: 10px 8px;\n    text-align: left;\n  }\n  .cat-faq-module table th {\n    background: #f0f4fa;\n  }\n  .cat-faq-module .contact-item {\n    margin-bottom: 10px;\n    padding-left: 4px;\n  }\n  .cat-faq-module .contact-item strong {\n    display: inline-block;\n    min-width: 60px;\n  }\n  @media (max-width: 640px) {\n    .cat-faq-module { padding: 18px 16px 6px 16px; }\n    .cat-faq-module .module-header h2 { font-size: 22px; }\n    .cat-faq-module summary { font-size: 15px; }\n    .cat-faq-module .answer-wrap { padding: 6px 8px 12px 20px; font-size: 14.5px; }\n    .cat-faq-module table { font-size: 13px; }\n    .cat-faq-module table th, .cat-faq-module table td { padding: 6px 4px; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cat-faq-module\"\u003e\n  \u003cdiv class=\"module-header\"\u003e\n    \u003ch2\u003e Product Description \u003c\/h2\u003e\n    \u003cspan class=\"badge\"\u003eClick to expand\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Q1 – 金属载体材质说明 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ1\u003c\/span\u003e Metal substrate material specifications\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eMetal honeycomb substrates are manufactured in nearly 10,000 specifications and support full non‑standard customization.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHousing materials:\u003c\/strong\u003e 316L, 304, 444, 441 (or customer‑specified).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore material:\u003c\/strong\u003e FeCr21Al6 (ferritic stainless steel).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCarrier outer diameter:\u003c\/strong\u003e 12 – 960 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 – 150 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCell density (CPSI):\u003c\/strong\u003e 5 – 1200 cpsi.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eShell wall thickness:\u003c\/strong\u003e 0.5 – 3.0 mm (shell‑less option available).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCore wall thickness:\u003c\/strong\u003e 0.03 – 0.18 mm.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eInternal core configuration:\u003c\/strong\u003e single core, S‑core, or three‑core.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eAvailable shapes:\u003c\/strong\u003e cylindrical, rectangular, square, racetrack (oval), elliptical, trapezoidal, pentagonal, pear‑shaped.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003eThese substrates offer extreme design flexibility to match virtually any exhaust system requirement.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q2 – 金属POC催化剂工作原理 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ2\u003c\/span\u003e Working principle of metal POC catalyst\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003ePOC\u003c\/strong\u003e stands for \u003cstrong\u003eParticulate Oxidation Catalyst\u003c\/strong\u003e . A metal POC catalyst is an exhaust after‑treatment device designed to capture and oxidize particulate matter (PM) from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWorking Principle:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCapture \u0026amp; Storage:\u003c\/strong\u003e As exhaust gases pass through the metal honeycomb substrate, particulate matter (soot and carbon particles) is physically captured and stored on the catalyst surface.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Oxidation:\u003c\/strong\u003e The captured particles are then oxidized (burned off) at temperatures between \u003cstrong\u003e250°C – 500°C\u003c\/strong\u003e through a catalytic reaction. The precious metal coating (platinum, palladium) on the metal substrate lowers the ignition temperature of the soot, allowing continuous passive regeneration during normal driving conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through Design:\u003c\/strong\u003e Unlike a DPF (Diesel Particulate Filter) which can become blocked, the POC uses an open flow‑through channel structure that allows exhaust gases to pass even when the PM storage capacity is saturated. This design minimizes backpressure while still achieving \u003cstrong\u003eup to 60% particle reduction\u003c\/strong\u003e and \u003cstrong\u003e80–90% HC and CO conversion\u003c\/strong\u003e.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eMetal Substrate Advantages for POC:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFaster light‑off:\u003c\/strong\u003e Metal substrates have higher thermal conductivity, reaching operating temperature more quickly.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSuperior durability:\u003c\/strong\u003e Metal substrates resist thermal shock and vibration better than ceramic.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigher cell density options:\u003c\/strong\u003e Allows for greater surface area and improved particle capture efficiency.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLower backpressure:\u003c\/strong\u003e Thinner walls reduce exhaust restriction compared to ceramic substrates of equivalent volume.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q3 – 什么是金属POC --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ3\u003c\/span\u003e What is a metal POC?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA \u003cstrong\u003emetal POC (Particulate Oxidation Catalyst)\u003c\/strong\u003e is a catalytic converter that uses a \u003cstrong\u003emetal honeycomb substrate\u003c\/strong\u003e (rather than ceramic) to capture and oxidize particulate matter from engine exhaust.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eKey Characteristics:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSubstrate Material:\u003c\/strong\u003e FeCrAl alloy (ferritic stainless steel) with a corrugated or sinusoidal channel structure.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Coating:\u003c\/strong\u003e Coated with a washcoat containing precious metals (platinum, palladium) and promoters (ceria, alumina) that enable the oxidation of captured particles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e The metal foil is rolled or stacked to create a honeycomb structure with thin walls (as low as 0.03 mm) and high cell densities (up to 1200 CPSI).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFlow‑Through vs. Wall‑Flow:\u003c\/strong\u003e Unlike a DPF which uses a wall‑flow design that can clog, a POC uses an open flow‑through design that allows exhaust to pass even when saturated.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eHow it differs from a traditional three‑way catalytic converter:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eA \u003cstrong\u003ethree‑way catalyst (TWC)\u003c\/strong\u003e primarily converts gaseous pollutants (CO, HC, NOx) through chemical reactions.\u003c\/li\u003e\n        \u003cli\u003eA \u003cstrong\u003ePOC\u003c\/strong\u003e specifically targets \u003cstrong\u003eparticulate matter (soot)\u003c\/strong\u003e, capturing it and burning it off through catalytic oxidation.\u003c\/li\u003e\n        \u003cli\u003eMany modern vehicles use both: a TWC for gaseous emissions and a POC or GPF (Gasoline Particulate Filter) for particulate control.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eMetal POC catalysts are commonly used in \u003cstrong\u003egasoline direct injection (GDI)\u003c\/strong\u003e engines and \u003cstrong\u003ediesel\u003c\/strong\u003e applications to meet Euro 4, Euro 5, and Euro 6 particulate emission standards.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q4 – 新增：3g\/cft和5g\/cft对应标准 --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ4\u003c\/span\u003e What standards do 3g\/cft and 5g\/cft correspond to?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003e\u003cstrong\u003e3g\/cft\u003c\/strong\u003e and \u003cstrong\u003e5g\/cft\u003c\/strong\u003e refer to the precious metal loading (typically platinum, palladium, and rhodium) in the catalytic converter, measured in \u003cstrong\u003egrams per cubic foot\u003c\/strong\u003e of substrate volume.\u003c\/p\u003e\n\n      \u003cp\u003eThese loadings are directly linked to emission standards:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 5\u003c\/strong\u003e – requires a catalyst with \u003cstrong\u003e3g\/cft\u003c\/strong\u003e (3 grams of precious metals per cubic foot) to achieve the required conversion efficiency for HC, CO, and NOx.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6\u003c\/strong\u003e – requires a higher loading of \u003cstrong\u003e5g\/cft\u003c\/strong\u003e (5 grams per cubic foot) to meet the stricter emission limits, especially for NOx and particulate matter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003eIn general, higher g\/cft values provide better catalytic activity and durability, allowing the converter to maintain performance over a longer period and under more demanding conditions.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy this matters to you:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eIf your vehicle needs to comply with Euro 5 standards, a 3g\/cft converter is sufficient.\u003c\/li\u003e\n        \u003cli\u003eIf your vehicle must meet Euro 6 (or higher) standards, you will need a 5g\/cft or even higher loading converter to ensure proper emissions control.\u003c\/li\u003e\n        \u003cli\u003eAlways check your vehicle's emission certification level before selecting a replacement converter.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q5 – 汽油车金属POC的作用（原Q4，现改为Q5） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ5\u003c\/span\u003e What is the function of a metal POC for gasoline vehicles?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eA metal POC (Particulate Oxidation Catalyst) for gasoline vehicles serves several critical functions in the exhaust after‑treatment system:\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eParticulate Matter (PM) Reduction:\u003c\/strong\u003e Captures and oxidizes soot particles from gasoline direct injection (GDI) engines. GDI engines produce more particulate emissions than traditional port‑fuel‑injected engines, and the POC helps reduce these emissions to meet Euro 6 particle number (PN) limits.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHydrocarbon (HC) and Carbon Monoxide (CO) Oxidation:\u003c\/strong\u003e The catalytic coating on the metal substrate oxidizes unburned hydrocarbons and carbon monoxide into CO₂ and H₂O, achieving \u003cstrong\u003e80–90% conversion efficiency\u003c\/strong\u003e.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePassive Regeneration:\u003c\/strong\u003e During normal driving, exhaust temperatures (250°C–500°C) are sufficient to oxidize the captured soot, continuously regenerating the catalyst without the need for active regeneration cycles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eReduced Backpressure:\u003c\/strong\u003e The open flow‑through design of the metal POC minimizes exhaust backpressure compared to wall‑flow filters, preserving engine performance and fuel economy.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eWhy use a metal POC on a gasoline vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEuro 6 compliance:\u003c\/strong\u003e Euro 6 emission standards introduced a particle number (PN) limit for gasoline vehicles. A POC helps GDI engines meet these requirements.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCost‑effective alternative to GPF:\u003c\/strong\u003e A POC is often more affordable and less restrictive than a full Gasoline Particulate Filter (GPF).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e The metal substrate is more resistant to thermal shock and vibration than ceramic, making it ideal for high‑performance and modified vehicles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Metal POC catalysts can be made with thinner walls and higher cell densities, allowing for smaller, more efficient packaging.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eTypical Installation Location:\u003c\/strong\u003e\u003cbr\u003e\n      A metal POC is typically installed \u003cstrong\u003edownstream of the three‑way catalytic converter (TWC)\u003c\/strong\u003e but \u003cstrong\u003eupstream of the muffler\u003c\/strong\u003e. This allows the POC to benefit from the heat of the exhaust gases while providing additional particulate control after the primary gaseous emission treatment.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q6 – 质保（1年，不包括公里数，原Q5，现改为Q6） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ6\u003c\/span\u003e What is your warranty policy?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur warranty policy for catalytic converter products is as follows:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCeramic Muffler Cores\u003c\/strong\u003e — No warranty provided. These are mechanical components subject to wear and external factors.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Substrates (Ceramic or Metal)\u003c\/strong\u003e — Covered by a \u003cstrong\u003e1‑year warranty\u003c\/strong\u003e against manufacturing defects. This warranty covers the substrate structure and catalytic coating integrity under normal use conditions.\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This warranty is based on \u003cstrong\u003etime only (1 year from the date of purchase)\u003c\/strong\u003e and does not include any mileage or kilometer limitation.\u003c\/p\u003e\n      \u003cp\u003eThe warranty does not cover damage caused by:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003eImproper installation\u003c\/li\u003e\n        \u003cli\u003eEngine misfire or mechanical issues\u003c\/li\u003e\n        \u003cli\u003eUse of leaded or low‑quality fuel\u003c\/li\u003e\n        \u003cli\u003ePhysical impact damage\u003c\/li\u003e\n        \u003cli\u003eContamination from oil or coolant\u003c\/li\u003e\n        \u003cli\u003eOverheating due to incorrect tuning or modified engines\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003ePlease retain your purchase receipt and installation records for any warranty claims. If you have any questions about warranty coverage, please contact our support team.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q7 – 金属催化剂安装指南（通用，原Q6，现改为Q7） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ7\u003c\/span\u003e Installation guide for metal catalytic converters\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eThis guide covers the general installation procedure for metal substrate catalytic converters (both universal and shell‑type units). Professional installation by a qualified exhaust technician is strongly recommended.\u003c\/p\u003e\n\n      \u003cp\u003e\u003cstrong\u003e⚠️ Before You Begin:\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003ePark the vehicle on a level, solid surface and use jack stands.\u003c\/li\u003e\n        \u003cli\u003eAllow the exhaust system to cool completely – catalytic converters retain heat for a long time.\u003c\/li\u003e\n        \u003cli\u003eDisconnect the negative battery terminal.\u003c\/li\u003e\n        \u003cli\u003eApply penetrating oil to all bolts and nuts at least a few hours in advance.\u003c\/li\u003e\n        \u003cli\u003eConsult your vehicle's service manual for specific torque values and component locations.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 1: Remove the Old Catalytic Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eRaise the vehicle and secure it safely.\u003c\/li\u003e\n        \u003cli\u003eRemove heat shields, braces, or underbody covers that block access.\u003c\/li\u003e\n        \u003cli\u003eUnplug the upstream and downstream oxygen sensors (O₂ sensors) and carefully unscrew them from the old converter.\u003c\/li\u003e\n        \u003cli\u003eUnbolt the flanged connections at the inlet and outlet. If the converter is welded, cut the pipes at the appropriate points using a reciprocating saw or exhaust pipe cutter.\u003c\/li\u003e\n        \u003cli\u003eRemove the old converter assembly from the vehicle.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 2: Prepare the Exhaust Pipes\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eClean the pipe ends thoroughly with a wire brush to remove rust, carbon, and old gasket material.\u003c\/li\u003e\n        \u003cli\u003eIf cut, deburr the edges to ensure a smooth surface.\u003c\/li\u003e\n        \u003cli\u003eCheck the pipe diameter and roundness; use an expander if needed.\u003c\/li\u003e\n        \u003cli\u003eFit new gaskets on both flanges (never reuse old gaskets).\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 3: Position and Install the New Metal Converter\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003ePlace the new converter in the exhaust system, ensuring the flow direction arrow points toward the rear of the vehicle.\u003c\/li\u003e\n        \u003cli\u003eAlign the inlet and outlet pipes with the flanges or cut ends.\u003c\/li\u003e\n        \u003cli\u003eFor bolt‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eInsert new bolts and nuts, apply high‑temperature anti‑seize, and torque to the manufacturer's specification (usually 30–45 Nm).\u003c\/li\u003e\n            \u003cli\u003eTighten in a cross‑pattern to avoid warping.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor weld‑on converters:\n          \u003cul\u003e\n            \u003cli\u003eTack‑weld in several places to hold position.\u003c\/li\u003e\n            \u003cli\u003eVerify alignment and weld fully around both joints using stainless steel wire (for stainless exhausts).\u003c\/li\u003e\n            \u003cli\u003eAllow the welds to cool slowly.\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/li\u003e\n        \u003cli\u003eFor clamp‑on connections, slide the clamp over the joint and tighten to the recommended torque.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 4: Reinstall Oxygen Sensors and Other Components\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eApply a small amount of anti‑seize to the sensor threads (avoid the sensor tip).\u003c\/li\u003e\n        \u003cli\u003eScrew the O₂ sensors into their bungs on the new converter and torque to 30–45 Nm.\u003c\/li\u003e\n        \u003cli\u003eReconnect the sensor wiring securely and route it away from heat sources.\u003c\/li\u003e\n        \u003cli\u003eReinstall all heat shields, brackets, and underbody covers removed earlier.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cp\u003e\u003cstrong\u003eStep 5: Test the Installation\u003c\/strong\u003e\u003c\/p\u003e\n      \u003col\u003e\n        \u003cli\u003eReconnect the battery.\u003c\/li\u003e\n        \u003cli\u003eStart the engine and let it idle.\u003c\/li\u003e\n        \u003cli\u003eCheck for exhaust leaks around all joints (listen for hissing, feel for escaping gases, or use soapy water spray).\u003c\/li\u003e\n        \u003cli\u003eAllow the engine to reach normal operating temperature (the converter needs ~300°C to begin working).\u003c\/li\u003e\n        \u003cli\u003eVerify that the check engine light does not appear. If it does, use an OBD‑II scanner to read codes; common issues include O₂ sensor problems or catalyst inefficiency.\u003c\/li\u003e\n        \u003cli\u003eTake a 10‑15 minute test drive and re‑inspect all connections after the system has cooled.\u003c\/li\u003e\n      \u003c\/ol\u003e\n\n      \u003cdiv class=\"warning-box\"\u003e\n        ⚠️ \u003cstrong\u003eImportant Notes:\u003c\/strong\u003e\u003cbr\u003e\n        • Metal substrates can be damaged by excessive heat – ensure proper fuel mixture and ignition timing to avoid meltdown.\u003cbr\u003e\n        • Always use the correct type of converter for your engine size and power output.\u003cbr\u003e\n        • For high‑flow performance converters, ECU tuning may be required to prevent error codes.\u003cbr\u003e\n        • In some areas, replacing a converter with a non‑OEM unit may be illegal – check local emissions laws beforehand.\u003cbr\u003e\n        • If you are not experienced with exhaust system work, we strongly recommend using a professional shop.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q8 – 发货\/运输时间（原Q7，现改为Q8） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ8\u003c\/span\u003e What are your shipping \u0026amp; delivery times?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur shipping and delivery times depend on stock availability:\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we have stock:\u003c\/strong\u003e We ship within 1–3 business days. Delivery typically takes \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eIf we are out of stock:\u003c\/strong\u003e Production and handling take 15–20 business days, then delivery takes approximately \u003cstrong\u003e12–15 days\u003c\/strong\u003e (including customs clearance and duties).\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp\u003e\u003cstrong\u003eAll shipments are sent DDP (Delivered Duty Paid)\u003c\/strong\u003e – this means that all customs clearance fees, import duties, and taxes are already included in the total price you pay. You will not be charged any extra fees upon delivery.\u003c\/p\u003e\n      \u003cp\u003eIf you need faster delivery, please contact us to arrange expedited shipping via \u003cstrong\u003eDHL, UPS, or FEDEX\u003c\/strong\u003e (additional charges apply).\u003c\/p\u003e\n      \u003cp\u003eWe will provide you with a tracking number as soon as your order is dispatched.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q9 – 联系我们（原Q8，现改为Q9） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ9\u003c\/span\u003e How can I contact you?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eYou can reach our team directly via WhatsApp or email. We are happy to assist with any questions about products, sizing, orders, or technical support.\u003c\/p\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eDavin\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613335696939\" target=\"_blank\"\u003e+86 133 3569 6939\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:KSRCAT@proton.me\"\u003eKSRCAT@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eAlison\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8615082475717\" target=\"_blank\"\u003e+86 150 8247 5717\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Ksrcatalytic@gmail.com\"\u003eKsrcatalytic@gmail.com\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"contact-item\"\u003e\n        \u003cstrong\u003eMia\u003c\/strong\u003e\u003cbr\u003e\n        WhatsApp: \u003ca href=\"https:\/\/wa.me\/8613681711685\" target=\"_blank\"\u003e+86 136 8171 1685\u003c\/a\u003e\u003cbr\u003e\n        E-mail: \u003ca href=\"mailto:Kesairay@proton.me\"\u003eKesairay@proton.me\u003c\/a\u003e\n      \u003c\/div\u003e\n\n      \u003cp\u003eWe typically respond within 24 hours (Monday–Saturday). Please include your order number or vehicle details for faster assistance.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003c!-- Q10 – 公司总部地址（原Q9，现改为Q10） --\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003e\u003cspan class=\"q-mark\"\u003eQ10\u003c\/span\u003e Where is your headquarters located?\u003c\/summary\u003e\n    \u003cdiv class=\"answer-wrap\"\u003e\n      \u003cp\u003eOur company headquarters is located at:\u003c\/p\u003e\n      \u003cp\u003e\u003cstrong\u003eBuilding C, Zhongguan Innovation Center, Dongcheng 2nd Road, Pujiang Town, Minhang District, Shanghai, China\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp\u003eWe welcome business visits by appointment. Please contact us in advance to arrange a suitable time.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e","brand":"SVIPCAT Store","offers":[{"title":"127x100mm \/ 3g\/cft","offer_id":54431319327066,"sku":null,"price":36.13,"currency_code":"GBP","in_stock":true},{"title":"127x100mm \/ 5g\/cft","offer_id":54431319359834,"sku":null,"price":45.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5164\/3226\/files\/1_c15fb63c-20c1-4be2-a9f2-4b8d5e3abeb1.jpg?v=1784166794"}],"url":"https:\/\/www.svipcat.com\/collections\/gpf-filter.oembed?page=2","provider":"SVIPCAT Store","version":"1.0","type":"link"}