QINGDAO RONGKANG VALVE MANUFACTURING CO., LTD. located in the industrial park of Li Jialing, Jimo, Qingdao, China. We specialize producing marine valves and air vent head according to JIS, DIN, GB, CB Standard. The company is an integrative enterprise which ...

CXD Marine Valve Manufacturing CO., LTD. is a professional marine valve manufacturer in CHINA.We specialize producing valves and air vent (pipe) head according to JIS, DIN, GB, CB Standard with good quality competitive price.Marine JIS standard cast iron ...