Since 1993 when it was established, Shanghai Sanhuan High Pressure Seal Fittings Factory has never stopped expanding its production. It provides a full range and a large portfolio of products that are made of various materials. It has been providing products for large-scale projects and daily maintenance of equipment. The factory’s seal fittings can replace the imported ones. Besides, the factory provides advisory service on sealing technology. Because of its excellent services, the factory has been trusted and favored by users.
Our service tenet: no matter you need products for large projects or you only need a single piece, we can arrange you prompt and express delivery. In addition, we provide advisory service when you have problems in application or about sealing technology. By so doing, we hope to give our customers the best, safe, and reliable long-term service. Our products are popularly used in metallurgy industry, electric power, natural gas/coal gas, petrochemical industry, chemical fiber industry, machinery manufacture industry, pharmaceutical industry, refrigeration industry, food industry, etc. We have long been serving many transnational companies and medium and small enterprises.
To expand production and business, we have established Shanghai Hengfeng Special Rubber Products Co., Ltd, and this company is located in Fengxian District, Shanghai. It is close to the China’s largest chemical industry park --- Shanghai Chemical Park in the south of Shanghai City. Besides, Shanghai Sanhuan Seal Fittings Factory is situated at Baoshan District in the north of Shanghai City, and this factory is near to Shanghai Iron & Steel Base in which the dominating enterprise is the Shanghai Baogang Iron & Steel Group.
In 2002, Shanghai Hengfeng Special Rubber Products Co., Ltd and Sanhuan Seal Fittings Factory acquired ISO9001:2000, and in 2004, ISO14001:1996. In addition, in 2006, State General Administration for Quality Supervision and Inspection and Quarantine granted these two companies licenses for manufacturing pressure pipeline and special parts.