About Longrun rubber

Longrun Rubber Products Co., Ltd. was established in China in 2005. We engage in providing customers with world-class custom molded rubber products of superior quality.We provide end-to-end service with our professional team, ensuring all your unique needs are not only met but exceeded. Count on us for the expertise and problem-solving you can rely on. Our products have been widely used in multiple industries, such as automobile, mechanism, home appliances, consumer electronics, medical, food and telecommunication. They feature high abrasion resistance, high tensile strength, excellent elongation, high corrosion resistance, superior ozone and ultraviolet ray resistance, flame resistance, compression resistance, high and low temperature resistance, high insulation or conductivity, and are suitable for both dynamic and static sealing applications.
🎓
World-Class Team
Graduates from top universities worldwide
🔬
Advanced R&D
Self-developed
🤖
Innovation Focus
Multiple innovative technologies

Our Products

View All Products →
Rubber washers

Rubber washers

Model: Rubber washers
Parameters: Custom-made:hardness / dimensions / color / physical properties.

Rubber o-rings

Rubber o-rings

Model: Rubber o-rings
Parameters: Custom-made:hardness / dimensions / color / physical properties.

Rubber dampers

Rubber dampers

Model: Rubber dampers
Parameters: Custom-made:hardness / dimensions / color / physical properties.

Rubber grommets

Rubber grommets

Model: Rubber grommets
Parameters: Custom-made:hardness / dimensions / color / physical properties.

Rubber seals

Rubber seals

Model: Rubber seals
Parameters: Custom-made:hardness / dimensions / color / physical properties.

Rubber gasket

Rubber gasket

Model: Rubber gasket
Parameters: Custom-made:hardness / dimensions / color / physical properties.

Company Gallery

Certifications & Awards

ISO9001
ISO9001
IATF16949
IATF16949

Success Stories & Case Studies

Food/Medical/Machinery/Sanitary

Food/Medical/Machinery/Sanitary

Tensile strength ≥ 8 Mpa
Elongation at break ≥ 450%
Tear strength ≥ 35 KN/m
long lifespan,Cpk > 1.33,Defect rate < 150 ppm,Precise dimensions

📍 Location: US 📦 Quantity: 3000k units/ per year
Automotive Rubber Parts OEM

Automotive Rubber Parts OEM

Tensile strength ≥ 7 Mpa
Elongation at break ≥ 400%
Tear strength ≥ 15 KN/m
long lifespan,Cpk > 1.33,Defect rate < 150 ppm,Precise dimensions,Rubber bonds firmly to plastic.

📍 Location: US 📦 Quantity: 1000k units/ per year

Company & Product Videos

Company Introduction & Factory Tour

⏱ Duration: 3:45 | 👁 Views: 15,230

Product Demonstration - Kestrel K-1

⏱ Duration: 5:12 | 👁 Views: 28,450

Technology Innovation Showcase

⏱ Duration: 4:30 | 👁 Views: 12,890

Customer Testimonials & Success Stories

⏱ Duration: 6:20 | 👁 Views: 9,650

Ready to Transform Your Life?

Contact us immediately to learn how our products meet your needs.