Knife Gate Valve, Ball Valve, Forged Steel Valve manufacturer / supplier in China, offering API/DIN/BS Cast Steel Iron Wcb Gg25 JIS 10K Hot Selling Pneumatic Motorised Stainless Steel 316 Flange Ball Valve, API/DIN/JIS 316 304 Wcb Forged Slip-on (SO) Stainless Steel Wn Welding Flange, BS/API/ISO Carbon Steel NPT Bsp Male Thead Hydraulic Hose Connector/ Joint Thread Fitting for Pipe and so on.