Core Products: Hydraulic Seals, Guiding Components, Automotive Seals, O-Rings, Rotary Seals, Bonded Seals, Quad Rings, Cassette Seals, Back-Up Rings, Combi Seals.
Our Promise: Durable, high-performance sealing for commercial vehicles, heavy trucks, construction & agricultural machinery – at competitive prices.
Why Partner with Jinwo?
Complete Range: All sealing types, from standard to complex.
Premium Quality: Strict QC from raw material to final product.
Custom OEM/ODM: Tailored designs for your specific applications.
Reliable Service: Fast delivery and responsive global support.
As a professional manufacturer and factory with 15+ years of expertise, Hebei Jinwo Machinery Technology Co., Ltd. (Jinwoseal) combines our Xingtai production base with Shijiazhuang headquarters to serve clients worldwide. Choose us – your trusted partner.
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Production BaseOur state-of-the-art manufacturing facility ensures large-scale production capacity, advanced equipment, and consistent quality for all your sealing requirements.
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Manufacturing ExcellenceWe combine precision engineering with rigorous quality control, delivering high-performance, durable sealing solutions that exceed industry and client standards.
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OEM & ODM ServicesWe provide expert customized sealing solutions, adapting our production processes to meet your specific technical needs and unique project requirements.
YOUR TRUSTED SUPPLIER & MANUFACTURER OF SEALING SOLUTIONS IN CHINA
+1(502) 249-5063
What We Offer
Our Hot Sale Products
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U Cup Rod SealBrand: Jinwo. Series: High-Performance Rod Sealing Series. Application: Micro-Hydraulic Actuators & Precision Instrumentation. Material: Premium Polyurethane -
PTFE Glyd Piston SealBrand: Jinwo . Series: Advanced Piston Sealing Solutions . Application: Hydraulic Cylinders & Industrial Actuators . Material: Bronze-Filled PTFE + NBR -
PTFE Back-Up RingBrand: Jinwo . Series Name: PTFE Industrial Sealing Series . Material: Virgin PTFE (Polytetrafluoroethylene) . Core Function: Universal Anti-Extrusion & -
NBR FKM TC Type Standard Shaft SealBrand: Jinwo . Series: Standard Industrial Sealing Series . Application: Automotive Transmissions & Industrial Pumps . Material: Nitrile Rubber (NBR) / -
Tractor Wheel Hub Seal Cassette SealBrand: Jinwo . OE: 12037008B. Application: Tractor Axles & Wheel Hub Systems . Material: FKM / NBR / Reinforced Steel Case . Service: OEM/ODM Supported -
Hydraulic Rubber Standard DAS KDAS DDAS Compact SealBrand: Jinwo . Series: Double-Acting Piston Sealing Series . Material: NBR + Polyester Elastomer + POM . Application: Hydraulic Cylinders & Construction -
Transmission Output Shaft Oil SealBrand: Jinwo. OE Number: 90311-48009. Color: Black / Brown. Application: Toyota Transmission / Drive Train. Service: OEM/ODM Supported -
Fabric Reinforced NBR FKM V Packing SetsBrand: Jinwo. Series: Heavy-Duty Fabric-Reinforced V-Packing Sets. Application: Heavy Hydraulic Cylinders & Forging Presses. Material: NBR/FKM with
The Success of our Solution

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.











