Why Choose Us

Quality Assurance

Strict quality control from raw material inspection to final product testing

Custom Solutions

OEM & custom rubber parts manufactured according to your drawings or samples

Global Supply

Reliable delivery and responsive service for customers worldwide

Our Products

Brake Cup Seals

EPDM brake cup seals for master cylinder and wheel cylinder applications. Compatible with DOT3/DOT4 brake fluid

O-Rings

Precision molded O-rings for static and dynamic sealing. Available in EPDM, NBR, FKM and silicone

Rubber Gaskets

Custom rubber gaskets for automotive, hydraulic and industrial applications. Support OEM/ODM

Our Factory

Precision Manufacturing for Reliable Sealing Products

Our factory is equipped with advanced rubber mixing, compression molding and injection molding facilities. We maintain strict quality control throughout the production process to ensure consistent performance for every sealing component.

With years of experience in rubber compound development and custom molding, we support both standard products and OEM projects for global customers.

Quality Control

Strict Quality Control Throughout Production

Quality is built into every step of our manufacturing process. From raw material inspection to final product testing, we maintain strict control to ensure consistent and reliable sealing performance.

  • Raw Material Inspection
  • In-Process Quality Control
  • Hardness & Tensile Testing
  • Dimensional Inspection
  • Aging & Compression Set Testing
  • Final Product Verification
  • IATF 16949 + Certified Quality Management
  • ISO 14001 + Environmental Management
  • In-House Lab + Full Testing Capability

Ready to Start Your Rubber Sealing Project?

Whether you need standard brake cup seals, custom O-rings, or a complete rubber sealing solution for your application, our team is ready to help. Send us your drawing or sample for a quick quotation.

📧 sales@zhongchenseal.com | 📞 +86 123 4567 8900 | 💬 WhatsApp: +86 123 4567 8900