Hencema Metal Products Co., Ltd. is a qualified manufacturer specializing in ball valves and its parts, such as valve balls, valve stems, and other products such as trust washers, springs, cam lock quick couplings, pipe fittings, machined parts and so on. The material is ASTM A351 CF8, CF8M, CF3, CF3M and WCB. Our products are exported to all over the world such as Europe, America, Korea, Japan, and Southeast Asia, and our products are well praised and enjoy a superb reputation overseas.