Best Oil Seal Manufacturer | NBR, FKM, HNBR, EPDM Seals & O-Rings

About BestOilSeal.com

Jiangyin No.3 Rubber Manufacturer Co., Ltd. has over 39 years of experience in producing high-quality rubber oil seals, O-rings, gaskets, and custom sealing components. We are committed to excellence in quality control and process management.

As a leading manufacturer based in China, we specialize in NBR, FKM, HNBR, EPDM, and Silicone-based sealing products used across automotive, industrial machinery, aerospace, and marine applications.

ISO-Certified Quality Management
Custom & Non-Standard Parts Available
Global Export Since 1985
Fast Turnaround & Competitive Pricing

Our Products

Precision-engineered sealing solutions for every industrial need. From standard NBR oil seals to custom FKM gaskets, we deliver reliability and performance.

NBR Oil Seal

Nitrile Butadiene Rubber seals ideal for oil and fuel resistance. Widely used in automotive and industrial gearboxes.

Temperature Range: -30°C to +120°C
Excellent abrasion resistance
High tensile strength

FKM Oil Seal

Fluorocarbon rubber seals with superior chemical and heat resistance. Perfect for aggressive environments.

Temperature Range: -20°C to +200°C
Resistant to oils, fuels, acids
Low gas permeability

HNBR Oil Seal

Hydrogenated Nitrile seals offering enhanced thermal and ozone resistance over standard NBR.

Temperature Range: -40°C to +150°C
High mechanical strength
Excellent dynamic performance

EPDM Oil Seal

Ethylene Propylene Diene Monomer seals with excellent weather and steam resistance.

Temperature Range: -50°C to +150°C
Resistant to water, steam, alkalis
Good electrical insulation

Silicone Oil Seal

High-purity silicone seals for extreme temperature applications and food-grade environments.

Temperature Range: -60°C to +230°C
Non-toxic & FDA compliant options
Excellent flexibility at low temps

NBR O-Ring

Standard O-rings made from Nitrile rubber for general-purpose sealing in hydraulic and pneumatic systems.

Durometer: 70±5 Shore A
Available in AS568 & metric sizes
Custom colors and tolerances

FKM Gasket

High-performance fluorocarbon gaskets for chemical processing, oil & gas, and aerospace.

Custom die-cut or waterjet
Sheet thickness: 0.5mm to 10mm
Resistant to aggressive media

End Cap Seal

Also known as end caps or oil seals, used in gearboxes and reducer boxes to prevent dust and fluid leakage.

With or without skeleton
Single or double lip design
Custom metal inserts available

Silicone Sealing Strip

Flexible silicone profiles for doors, windows, enclosures, and high-temp sealing applications.

Extruded or molded
Custom cross-sections
UV and ozone resistant

Rubber & Silicone Roller

Precision rollers for printing, conveying, and industrial machinery with custom durometer and coating.

Core materials: steel, aluminum, plastic
Shore hardness: 30A to 90A
Anti-static and conductive options

J Type Oil Seal

Single-lip seals with metal reinforcement, ideal for light-duty shaft sealing in motors and pumps.

No spring in lip
Cost-effective solution
High-volume production

Exposed Skeleton Oil Seal

Reinforced seals with external metal casing for high-pressure and high-speed applications.

Enhanced structural support
Resists deformation under load
Used in heavy machinery

View All Products

Why Choose BestOilSeal.com?

We combine decades of expertise with cutting-edge manufacturing to deliver sealing solutions you can trust.

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Precision Engineering

Tight tolerances and consistent quality across all production batches.

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Global Reach

Exported to over 30 countries with reliable logistics and support.

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Rigorous Testing

Every batch undergoes hardness, tensile, and compression testing.

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Custom Solutions

From prototypes to mass production, we handle non-standard designs.

Frequently Asked Questions

What materials do you offer for oil seals?

We manufacture oil seals in NBR, FKM, HNBR, EPDM, ACM, and Silicone rubber. Custom material blends are also available upon request.

Can you produce custom-sized seals?

Yes, we specialize in non-standard and custom sealing solutions. Provide your drawings or samples, and we’ll quote and produce accordingly.

What is the lead time for custom orders?

Typical lead time is 15–25 days after sample approval, depending on complexity and quantity.

Do you offer samples?

Yes, we provide free samples for qualified customers. Shipping may apply depending on location.

Are your products ISO certified?

Our manufacturing processes follow strict quality control standards. Certification documentation is available upon request.

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