Flanges, Pipe Fittings, Valves manufacturer / supplier in China, offering Stainless Steel Customize Full Bore Non-Retention 3-PC Manual Ball Valve for Chemical, Stainless Steel Industrial Customize Standard High Pressure Butt-Weld Pneumatic Valve for Oil & Gas, Stainless Steel Customize Full Port High Platform Butt-Weld Stop Valve with Manual Handle and so on.