With over 15 years of excellence in the sealing industry, Jinwoseal has built a legacy of precision and reliability. Our journey began in Xingtai, the heart of industrial manufacturing, where we established our robust production base. To better serve our expanding global clientele and enhance our digital operations, we strategically established our headquarters in Shijiazhuang, the provincial capital.
Directions, That Matter!
Why Choose Us
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QUALITY ASSURANCEWe have 100% quality guarantee to customers. We will be responsible for any quality problem.
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GOOD SERVICEHigh-quality after-sales service, tracking usage, and positive feedback. Rapid response within 24 hours.
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REASONABLE PRICEGood Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
Our Case
What We Offer
NBR FKM TC Type Standard Shaft Seal
FKM NBR Rubber Wheel Hub Cassette Seal Rwdr-Kassette
PTFE Bronze Filled SPGO Piston Seal
FKM High Temp Crankshaft Oil Seal
NBR Carbon Steel Bonded Seal
We promise to find the right product for you
Our Hot Sale Products
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![Intercooler Hose Sealing Rubber Rings Fits For Mercedes Vito W447 Series (OE A0209977845)]( "Intercooler Hose Sealing Rubber Rings Fits For Mercedes Vito W447 Series (OE A0209977845)")
Intercooler Hose Sealing Rubber Rings Fits For Mercedes Vito W447 Series (OE ...Brand: Jinwo . OE: A0209977845 . MOQ: 500 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: O-Ring . Material: Various high-performance materials (e.g., -
![Engine Cooling System Gasket Ring For Mercedes-Benz 4.0 CDI Engines (OE A0129975148)]( "Engine Cooling System Gasket Ring For Mercedes-Benz 4.0 CDI Engines (OE A0129975148)")
Engine Cooling System Gasket Ring For Mercedes-Benz 4.0 CDI Engines (OE A0129...Brand: Jinwo . OE: A0129975148 . MOQ: 1000 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: O-Ring . Material: Various high-performance materials (e.g., -
![Automotive Front Cap To Cylinder Head O-Ring Fits For Mercedes ML W163 Series, Part A0249977445]( "Automotive Front Cap To Cylinder Head O-Ring Fits For Mercedes ML W163 Series, Part A0249977445")
Automotive Front Cap To Cylinder Head O-Ring Fits For Mercedes ML W163 Series...Brand: Jinwo . OE: A0249977445 . MOQ: 1000 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: O-Ring . Material: Various high-performance materials (e.g., -
![Seal Ring (A0249971648) Compatible With Mercedes-Benz And Detroit Diesel - OE: A0249971648]( "Seal Ring (A0249971648) Compatible With Mercedes-Benz And Detroit Diesel - OE: A0249971648")
Seal Ring (A0249971648) Compatible With Mercedes-Benz And Detroit Diesel - OE...Brand: Jinwo . OE: A0249971648 . MOQ: 500 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: O-Ring . Material: Various high-performance materials (e.g., -
![CVT Transmission Control Valve O-Ring (12.3X2.4) For Subaru - OE: 806912200]( "CVT Transmission Control Valve O-Ring (12.3X2.4) For Subaru - OE: 806912200")
CVT Transmission Control Valve O-Ring (12.3X2.4) For Subaru - OE: 806912200Brand: Jinwo . OE: 806912200 . MOQ: 1000 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: O-Ring . Material: Various high-performance materials (e.g., NBR, -
![Water Pipe Crossover O-Ring (33.7X3.5) For Subaru - OE: 806933080]( "Water Pipe Crossover O-Ring (33.7X3.5) For Subaru - OE: 806933080")
Water Pipe Crossover O-Ring (33.7X3.5) For Subaru - OE: 806933080Brand: Jinwo . OE: 806933080 . MOQ: 500 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: O-Ring . Material: Various high-performance materials (e.g., NBR, -
![Aftermarket O-Ring Seal For A0249972148 | Compatible With Mercedes/Detroit Diesel Compressor]( "Aftermarket O-Ring Seal For A0249972148 | Compatible With Mercedes/Detroit Diesel Compressor")
Aftermarket O-Ring Seal For A0249972148 | Compatible With Mercedes/Detroit Di...Brand: Jinwo . OE: A0249972148 . MOQ: 500 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: Heavy-Duty Compressor Sealing Series . Material: -
![High-Performance Sealing Ring For Audi/VW OE 6C121085F | Multi-Material Series]( "High-Performance Sealing Ring For Audi/VW OE 6C121085F | Multi-Material Series")
High-Performance Sealing Ring For Audi/VW OE 6C121085F | Multi-Material SeriesBrand: Jinwo . OE: 6C121085F . MOQ: 500 PCS (If In-Stock: B2B MOQ Negotiable) . Series Name: Cooling System Sealing Series . Material: High-Grade EPDM / NBR
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Our All Satisfied Clients Trusted with us
Our Faq Us
Common Questions About Automotive, Truck & Construction Machinery Sealing Solutions
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What industries does Jinwoseal serve?
Jinwoseal provides sealing solutions for automotive, commercial truck, and construction machinery industries. Our products are used in engines, hydraulic systems, exhaust systems, and rotating equipment. We support OEM manufacturers, wholesalers, and aftermarket customers worldwide with reliable sealing products designed for demanding working conditions and long-term industrial performance.
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What sealing products does Jinwoseal manufacture?
Jinwoseal manufactures hydraulic seals, O-rings, bonded seals, rotary seals, cassette seals, backup rings, quad rings, and guiding components. These products are widely applied in trucks, excavators, agricultural machinery, and industrial equipment. We focus on precision production, material durability, and stable sealing performance for heavy-duty applications.
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Can Jinwoseal provide customized products?
Yes, Jinwoseal offers customized sealing solutions based on drawings, samples, and technical requirements. We support OEM and private label production for global customers. Our engineering team can customize product dimensions, materials, hardness, and packaging to meet different application environments and improve sealing reliability for industrial equipment.
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How does Jinwoseal control product quality?
Jinwoseal follows strict quality control procedures from raw material inspection to final production testing. Our factory uses advanced equipment and automated production lines to ensure stable dimensions and consistent quality. Products are tested for heat resistance, oil resistance, pressure performance, and durability before shipment to customers worldwide.
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Why choose Jinwoseal as your supplier?
Jinwoseal combines manufacturing experience, stable quality, competitive pricing, and professional service. We understand the sealing requirements of automotive and heavy-duty industries and provide reliable products with efficient production support. Our goal is to help customers reduce leakage risks, improve equipment performance, and maintain long-term cooperation worldwide.
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Latest News And Events
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![As European Giants Withdraw, How Chinese Oil Seal Makers Capture Russia’s Heavy-Duty Truck Market]()
May 31, 2026As European Giants Withdraw, How Chinese Oil Seal Makers Capture Russia’s Heavy-Duty Truck MarketThe landscape of Russia’s heavy-duty truck aftermarket has shifted dramatically since Western manufacturers began withdrawing from the region. Brands that on... -
![The Post-ICE Maintenance Boom: Europe And North America Extend Aging Fleets]()
May 31, 2026The Post-ICE Maintenance Boom: Europe And North America Extend Aging FleetsAcross Europe and North America, a quiet but economically powerful shift is reshaping the automotive aftermarket. New vehicle prices continue to climb, pushi... -
![Securing Tomorrow’s Fleet: Optimizing Global Supply Chains With Advanced Rotary Sealing Architect...]()
May 29, 2026Securing Tomorrow’s Fleet: Optimizing Global Supply Chains With Advanced Rotary Sealing Architect...The global commercial automotive and heavy-duty logistics industries are experiencing an unprecedented transformation. With transport networks stretching acr... -
![Cassette Seals Become Standard Armor For Heavy-Duty Trucks in Harsh Environments Heading Into 2026]()
May 26, 2026Cassette Seals Become Standard Armor For Heavy-Duty Trucks in Harsh Environments Heading Into 2026GLOBAL REPORT – Across the world’s most punishing haul roads, from rain-lashed tropical mines to frozen timber trails, heavy-duty truck fleets are waging a s...
