Valve, Ball Valve, Butterfly Valve manufacturer / supplier in China, offering Nps 2′′ to 36′′ Industrial Flanged Type Top-Entry Ball Valve, China Factory API 6D/ API 598 Cryogenic Ball Valve -196° C to 340° C, Class 150 to 2500 Lb Three Pieces Forged Trunnion Mounted Ball Valve and so on.