Flange, Pipe Fittings, Forged Flange manufacturer / supplier in China, offering Wafer Type Butterfly Valve PTFE Seat Butterfly Control Valve with CE Approval, Stainless Steel Wafer Butterfly Valve High-Performance Genre Butterfly Valves, ANSI/JIS/DIN 100/ANSI B16/Pn 16 Stainless Carbon Steel Standard Socket Welded/Welding Neck/Blind Flange and so on.