HongJie Sealing

Custom Rubber Parts

Hongjie manufactures custom rubber parts for sealing, protection, vibration control, and assembly, with flexible materials, custom tooling, and controlled production quality.

Start Project Discussion

Products

Featured Products

Custom-molded O-rings, gaskets, and seals manufactured to IATF 16949 & ISO standards. Delivering high-reliability components for automotive, medical, and industrial applications.

Need a Custom Rubber Part for Your Project?

If standard parts do not fit, our team can review your specs and recommend the right rubber material, molding process, and production solution.

Send Inquiry

View Engineering

APPLICATION GUIDE

Custom Rubber Parts for Different Industries

Hongjie custom rubber parts support sealing, cable protection, fluid control, vibration damping, insulation, and equipment protection across industries.

Major Industries
Served Worldwide

Automotive & Transportation

Custom grommets, caps, buffers, gaskets, and molded rubber parts for sealing, vibration control, and component protection.
Electrical & Electronic Equipment

Rubber grommets, cable protectors, plugs, covers, and insulation parts for wiring, enclosures, and control systems.
Industrial Machinery

Molded rubber parts, diaphragms, buffers, and rubber-to-metal bonded parts for equipment sealing, shock absorption, and protection.