About us

Haiyixin specializes in the engineering and production of premium rubber O-rings, standard gaskets, rubber-steel composite washers, and custom molded sealing solutions. We manufacture and rigorously inspect our products in strict compliance with ASTM, GB, JIS, DIN, and NSF international standards.

Trusted by top-tier clients across Germany, France, the UK, and the USA, our high-performance seals are widely applied in potable water systems, gas pipelines, sanitary ware (faucets & showerheads), hose fittings, kitchen appliances, and advanced pneumatic equipment.