Ningbo Sanan Valve Manufacture Co., Ltd. (former name is Xiangshan Valve Manufacture Co., Ltd.), was founded in 1972. We are specialized in researching and producing gas cylinder valves, gas fire-extinguishing valves, and vehicle-compressed natural gas (CNG) valves.

We are one of the largest gas valve cylinder manufacturers in China. We are a member unit of China Gas Cylinder Professional Committee, China Gas Cylinder Standard Technical Committee and Fitting Branch Committee.

Our company is located in Xiangshan Economic Development Zone, Zhejiang, China. We cover an area of 38,000 square meters with 29,000 square meters of the building area. We have set up Gas Valve Research Center and owned the most advanced valve laboratory in this industry. Moreover, we adopt fully automatic machining centers, high precision NC machine tools to manufacture valves. We annually produce 3 million sets of valves. We rely on ISO9001 Quality Management System and Pressure Container Quality Control System.

We strictly organize the production according to international advanced standards. We have obtained ISO15500 certification (on CNG valves) Our product quality is in the lead in China and strives to reach the advanced level in the world.