Knife Gate Valve, Ball Valve, Forged Steel Valve manufacturer / supplier in China, offering API/DIN/JIS Flange A105 Wcb 304 Pneumatic Worm Gear Handle Floatingforged Stainless Steel 3 Way Ball Valve, API/DIN Stainless Steel Pneumatic Hydraulic Industrial Brass Cast Steel DN800 DN700 Knife Gate Valve, API Water Control Pneumatic Spillway Solar Remote Intelligent Integrated Irrigation and Water Regulation Gate Valve and so on.