This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.

Premium Rubber O-Rings &
High-Performance Seals

Engineered for extreme temperatures, high pressure, and chemical resistance.
ISO 3601, AS568, BS1516 compliant – trusted by global industrial leaders.

Explore Products Request Quote

About Jiangsu Kunyuan

Jiangsu Kunyuan Rubber & Plastic Technology Co., Ltd. is a professional manufacturer of seals with over 25,000 square meters of production space. We specialize in high-performance rubber O rings, FKM seals, NBR components, and custom-engineered sealing solutions.

Our products are manufactured using automatic injection molding machines and inspected with advanced quality control systems. Compliant with European, American, and Japanese standards, our seals are trusted by leading construction machinery brands like SANY.

25,000+
m² Factory Area
ISO 3601
Quality Standard
High Temperature PTFE O-Ring Seals
Global
Market Reach
25K m²
Factory Size
ERP
System Integrated
ISO
Certified Quality

Our Premium Products

High-performance sealing solutions for industrial, automotive, aerospace, and chemical processing applications.

PTFE Coated O Ring

PTFE Coated O Ring

  • • 1500 PSI Tensile Strength
  • • High Temp Resistance
  • • Non-Stick Surface
  • • Corrosion Resistant
View Details
High Temp PTFE O-Ring

High Temp PTFE O-Ring

  • • -60°C to +230°C Range
  • • Non-Stick Coating
  • • UV & Ozone Resistant
  • • ISO 3601 Tolerance
View Details
Shore A Hardness O-Rings

Shore A 70-80-90 O-Rings

  • • Wear Resistant
  • • ISO 3601 Tolerance
  • • 70A to 90A Hardness
  • • Oil & Solvent Resistant
View Details
Combined Oil Seals

Combined Oil Seals

  • • Rubber + Metal Core
  • • ISO9001 Approved
  • • Corrosion Resistant
  • • High Pressure Rated
View Details
EPDM Rubber O-Rings

EPDM Rubber O-Rings

  • • 70A Hardness
  • • -20°C to +180°C
  • • 25 N/mm Tear Resistant
  • • UV & Low Temp Flexible
View Details
FKM O-Rings

FKM O-Rings (Viton®)

  • • -40°C to +280°C
  • • Oil & Chemical Resistant
  • • 70–90 Shore A
  • • AS568 / BS1516
View Details
DIN 3869 Profile Rings

DIN 3869 Profile Rings

  • • 80 Hardness
  • • -30°C to +100°C
  • • Pressure Systems
  • • Excellent Sealing
View Details
NBR O-Rings

NBR O-Rings (Nitrile)

  • • 70 Shore A
  • • 350 Bar Pressure
  • • Oil & Wear Resistant
  • • -50°C to +120°C
View Details

Why Choose Our Seals?

ISO & Industry Compliant

All products meet ISO 3601, AS568, BS1516, and other international standards for precision and performance.

High Temp & Pressure

Engineered for extreme environments: from -60°C to +280°C and pressures up to 350 bar.

Custom Engineering

We offer custom molding, material selection, and OEM/ODM services for unique sealing needs.

Frequently Asked Questions

What materials do you offer?

We manufacture O-rings and seals in NBR, FKM (Viton), EPDM, Silicone, PTFE-coated, and custom rubber compounds.

Are your products ISO certified?

Yes, our production follows ISO 3601 standards, and our quality system is ISO9001 approved.

Can you produce custom sizes?

Absolutely. We offer custom molding and can produce seals to your exact specifications and drawings.

What industries do you serve?

We supply seals for automotive, aerospace, oil & gas, chemical processing, construction machinery, and more.

Get in Touch

Need a quote or technical support? Contact us through the official website.

Visit Official Website

Email: [email protected]

Phone: 86-182-17251038

Address: Room 2303, Building 1, No. 218, Tianmu West Road, Jing'an District, Shanghai

China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact [email protected] via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者 不想被fobcompany.info收录 请用企业邮箱联系[email protected] 取消收录 我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact [email protected]

如果您是其他域名合作 也请联系[email protected]