GW-Rubber.com | Premium Rubber Seals & Gaskets Manufacturer

Engineered for Reliability

As a leading China-based rubber seal manufacturer, Gangwei Rubber specializes in high-quality sealing solutions designed to withstand extreme temperatures, pressures, and environmental conditions.

Our expertise spans oil seals, O-rings, rubber shock absorbers, hydraulic gaskets, and custom rubber components. We serve global markets including automotive, engineering machinery, agricultural equipment, elevators, and electronics.

15+

Years Experience

50+

Global Clients

Our Product Range

High-performance rubber sealing solutions engineered for durability, precision, and optimal performance across industries.

Automotive Oil Seals

Precision TC and TA oil seals for engines, transmissions, and axles. Resistant to heat, oil, and pressure.

• NBR, FKM, HNBR materials
• Double-lip & single-lip designs
• Custom sizing available

EPDM O-Rings

Excellent resistance to weather, ozone, and water. Ideal for outdoor and HVAC applications.

• Temperature range: -50°C to +150°C
• High UV resistance
• FDA-compliant options

Buna-N (NBR) Seals

Cost-effective solution for fuel and oil resistance. Widely used in automotive and hydraulic systems.

• High abrasion resistance
• Pressure resistant up to 5000 psi
• Wide durometer range

Rubber Shock Absorbers

Type A buffers and bonded bushings that reduce vibration, noise, and mechanical stress.

• Load dampening
• Noise reduction
• Custom shapes and hardness

TC & TA Oil Seals

Metal-cased radial shaft seals with spring-loaded lips for superior sealing performance.

• Single and double lip variants
• Spring-energized sealing
• Corrosion-resistant coatings

Custom Rubber Wares

Molded diaphragms, gaskets, seals, and specialty parts in NBR, silicone, neoprene, and more.

• Prototype to mass production
• Material testing & validation
• ISO-certified manufacturing

Silicone O-Rings

Extreme temperature performance from -60°C to +230°C. Ideal for medical and food-grade applications.

• FDA & USP Class VI compliant
• Low compression set
• High purity options

Hydraulic Rubber Seals

Flat gaskets, coupling seals, and washers for hydraulic systems requiring leak-free performance.

• High-pressure resistance
• Abrasion & corrosion resistant
• Nitrile & silicone options

View Full Product Catalog

Industries We Serve

Our rubber sealing solutions are trusted across diverse sectors where reliability and performance are critical.

Automotive

Engine, transmission, axle, and suspension seals for OEMs and aftermarket.

Motorcycle

DC oil seals, air intake pipes, and precision seals for two-wheelers.

Engineering Machinery

Heavy-duty seals for excavators, loaders, and construction equipment.

Agricultural Machine

Seals for tractors, harvesters, and irrigation systems operating in harsh conditions.

Elevators

Rubber buffers and vibration dampers for smooth, quiet elevator operation.

Electronics

Sealing gaskets and insulating components for sensitive electronic devices.

Communication Equipment

Weather-resistant seals for outdoor telecom enclosures and antennas.

Industrial Automation

PTFE/PEEK spring-energized seals for pneumatic and hydraulic cylinders.

Why Choose Gangwei Rubber?

Premium Materials

We use high-grade NBR, EPDM, silicone, FKM, HNBR, and neoprene compounds for optimal performance.
Precision Manufacturing

Advanced molding and vulcanization processes ensure consistent quality and dimensional accuracy.
Custom Solutions

From design support to prototyping and mass production, we deliver tailored rubber components.
Global Supply

Reliable logistics and quality assurance for customers worldwide.

Technical Resources

Insights and guidance to help you select the right sealing solutions.

Double Lip vs. Single Lip Seal

Learn the functional differences and applications of dual-lip and single-lip oil seals.

Buna vs. Viton Seals

Compare NBR and FKM materials for temperature, chemical, and durability performance.

How O-Rings Work

Understanding compression sealing, groove design, and material selection principles.

EPDM O-Ring Applications

Ideal uses for EPDM in outdoor, water, and steam environments.

TC vs. TA Oil Seals

Differences in design, spring placement, and typical applications.

Hydraulic Gasket Tips

Best practices for selecting and maintaining rubber gaskets in hydraulic systems.

What materials do you offer for O-rings?

We manufacture O-rings in NBR (Buna-N), EPDM, silicone, FKM (Viton), HNBR, neoprene, and custom compounds based on application requirements.

Can you produce custom rubber parts?

Yes, we specialize in custom rubber components. Provide your drawings or samples, and we’ll create molds and produce parts to your specifications.

What industries do you serve?

Our products are used in automotive, motorcycle, engineering machinery, agricultural equipment, elevators, electronics, and industrial automation.

Do you offer bulk pricing for wholesale orders?

Yes, we provide competitive wholesale pricing for large volume orders. Contact us for a customized quote based on your requirements.

What certifications do you have?

Our manufacturing processes follow international quality standards. We can provide material certifications and test reports upon request.

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Precision Rubber Seals for Demanding Industries