Ningbo Sanan Valve Manufacure Co., Ltd. which founded in 2003 is specialized in valve’s research and manufacture in the field of pressure container pipeline, gas fire fighting safety protection, chemical industry equipment, ship, vehicles and semiconductor etc. It is a high-tech enterprise, a member of the Board of Directors of China Industrial Gas Industry Association and the Gas Pressure Equipment Professional Committee of China Gas Association, the member of China industrial gases association and secretariat units of national gas standardization technical committee fitting sub-committee. It is listed as the first batch of champion cultivation enterprises in Ningbo manufacturing industry, Ningbo municipal management innovation model enterprise, provincial high-tech enterprise research and development center, and "Good quality" labels’ company of Zhejiang manufacture and has participated in drafting national standards for many times. It is one of China's largest gas cylinder valve manufacturers.

The company is located in Xiangshan Economic Development Zone,Zhejiang,China,and covers an area of 40,000 square meters with 35,000 square meters of the building area. It has set up Gas Valve Research Center and owns the most advanced valve laboratory in this industry. Moreover, it adopts the fully automatic machining center, the high precision NC machine tool to manufacture the valves. Its annual capacity can reach 5 million sets of the valves.

It is based on 5S and delicacy management, guaranteed by ISO14001 Environmental Management System and ISO45001 Occupational Health and Safety Management System, relying on the ISO9001, IATF16949 quality management system and TSG quality assurance system to establish a modern management system and quality control system integrated with the world norms.