Ball Valve, Flange Ball Valve, 2PC Flange Ball Valve manufacturer / supplier in China, offering API6d&API608 2PC Trunnion Type Flange Ball Valve Gear Operation A105/F304/F316, API6d Stainless Steel Flange Gate Globe Check Ball Valve 304/316 CF8 CF3m, API6d Forged Steel 3PC Trunnion Ball Valve Gear Operation A105/F304/F316-J-Valves and so on.