Cixi City Haisheng Rubber Products Co., Ltd., also known as HAISUN, is a professional manufacturer and trading company based in Cixi, China, specializing in high-precision O-rings and custom rubber seals. Established in 1995, the company has over 30 years of expertise in rubber seals and employs between 101 and 200 people. They operate an IATF 16949 and ISO 9001 certified factory, with some sources indicating a factory size between 5,000 and 10,000 sqm, and others suggesting over 100,000 sqm, equipped with 7 production lines and ISO Class-100,000 clean rooms for assembly and relubrication services. They offer OEM and ODM services, supported by an independent mold design workshop, enabling O-ring dimension accuracy tolerance up to 0.01mm and rubber seals tolerance up to 0.02mm. Their comprehensive product range includes NBR, HNBR, VMQ, FKM, EPDM, ACM, and CR O-rings, X-rings, gaskets, grommets, oil seals, hydraulic seals, pneumatic seals, and rubber bonding metal. Products adhere to standards such as AS568, DIN 3771, BS1806, BS4518, and ISO3601, and materials are RoHS, REACH, and FDA compliant. Cixi City Haisheng Rubber Products Co., Ltd. serves diverse industries including automotive, medical devices, electronics, aerospace, food machinery, and watches, exporting to markets in North America, Europe, Asia, and the Middle East.
Tianjin Jinsheng Rubber Product Co., Ltd. is a manufacturer and trading company based in Tianjin, China, specializing in the production and processing of a wide range of rubber products. Established in 1983, the company has grown to become a specialized manufacturer and exporter in the rubber industry, employing between 11 and 50 people. They operate a factory and offer a diverse portfolio of rubber components, including rubber sheets, seals, gaskets, rings, cushions, oil sealings, rollers, water-stops, and various molded products. Their product range also features specific items such as hockey pucks, rubber discus, rubber buttons, electronic keys, silicon rings, flippers, diving fins, rubber suckers, rubber hose, and rubber convey belts. These products are widely utilized across numerous sectors, including mechanical manufacturing, water conservancy, construction, automotive, communication equipment, agricultural machinery, medical equipment, home appliances, and sporting goods. The company's capacity has advanced with new processes and technology, and their products are approved by many enterprises globally, making them competitive in the fitting field.