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Your Partner for Sealing Technology

Jinwoseal offers advanced sealing solutions from O-rings to complex PTFE and polyurethane geometries. Custom-engineered for performance, durability, and reliability across industries.

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About Jinwoseal

A leading global supplier of sealing solutions, Jinwoseal delivers high-performance products trusted across aerospace, automotive, oil & gas, and industrial sectors.

Innovation in Sealing Technology

Jinwoseal is a premier manufacturer of hydraulic oil seals, rotary shaft seals, mechanical face seals, and static sealing systems. With decades of engineering expertise, we provide sealing solutions that ensure leak-free performance under extreme pressure, temperature, and dynamic conditions.

Our product range includes O-rings, quad-rings, X-rings, piston seals, rod seals, dust wiper seals, wear rings, gaskets, and custom rubber products. Whether you need standard seals or application-specific designs, we deliver precision and reliability.

If off-the-shelf solutions don't meet your needs, our R&D team collaborates with clients to develop tailored sealing geometries using advanced materials like FKM, NBR, EPDM, PTFE, and polyurethane.

Jinwoseal Manufacturing Facility

Industries We Serve

Engineered for performance across critical sectors.

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Aerospace

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Agriculture

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Automotive

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Manufacturing

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Mining

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Marine

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Energy

Our Products

High-performance sealing solutions for every application.

O-Ring Seal

O-Ring

Precision-molded elastomeric seals for static and dynamic applications. Available in NBR, FKM, EPDM, and silicone.

  • • Temperature Range: -40°C to +230°C
  • • Pressure: Up to 500 bar
  • • Materials: NBR, FKM, EPDM, VMQ
Hydraulic Oil Seal

Hydraulic Oil Seal

Robust seals for hydraulic cylinders, pumps, and motors. Designed for high-pressure environments.

  • • Application: Hydraulic systems
  • • Pressure: Up to 700 bar
  • • Materials: NBR, FKM, PU
Mechanical Seal

Mechanical Seal

Face seals for pumps and rotating equipment. Prevent leakage in aggressive media.

  • • Type: Single/double face
  • • Speed: Up to 25 m/s
  • • Materials: Carbon, ceramic, SiC
Piston Seal

Piston Seal

High-efficiency seals for double-acting cylinders. Low friction and wear.

  • • Type: U-cup, lip seal
  • • Pressure: Up to 600 bar
  • • Materials: PU, PTFE, POM
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Rod Seal

Dynamic seals for reciprocating rods. Excellent extrusion resistance.

  • • Application: Hydraulic cylinders
  • • Pressure: Up to 500 bar
  • • Materials: PU, PTFE composite
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Wear Ring

Load-bearing guides for pistons and rods. Minimize metal-to-metal contact.

  • • Material: POM, PEEK, bronze-filled
  • • Temp: -50°C to +150°C
  • • High wear resistance
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Dust Wiper Seal

Protects cylinders from dirt, dust, and contaminants.

  • • Dual-lip design
  • • Material: NBR, PU
  • • Compatible with rod seals
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Gasket

Custom-cut static seals for flanges and joints. Prevent fluid leakage.

  • • Materials: Rubber, cork, metal
  • • Custom shapes & sizes
  • • High chemical resistance

Why Choose Jinwoseal?

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High-Quality Manufacturing

ISO-certified production with strict quality control ensures every seal meets international standards.

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Custom Engineering

Tailored sealing solutions developed with advanced simulation and testing for unique applications.

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Global Support

Reliable supply chain and technical support available worldwide for OEMs and maintenance teams.

15+
Years Experience
50+
Countries Served
10M+
Seals Delivered
99.8%
Customer Satisfaction

Frequently Asked Questions

What materials do you use for oil seals?

We use NBR, FKM (Viton), EPDM, silicone, polyurethane (PU), and PTFE depending on temperature, pressure, and media compatibility.

Can you manufacture custom seals?

Yes. Our engineering team develops custom seals based on drawings, samples, or performance requirements.

What industries do you serve?

We serve aerospace, automotive, construction, oil & gas, marine, renewable energy, robotics, and industrial manufacturing.

Do you offer bulk pricing?

Yes, we provide competitive pricing for large-volume orders and long-term supply agreements.

Get in Touch

For product inquiries, technical support, or custom solutions, visit our official website.

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