Flange, Tube Sheet, Valves manufacturer / supplier in China, offering Copper Nickel 90/10 70/30 Flange AISI 150 RF Female Bsp NPT Threaded Screw Flange, ANSI B16.5 DN100 4 Inch Stainless Steel Plate Flat Welding Flanges for CNC Machine, Stainless Steel 304L 316L AISI 150 RF Threaded Flange NPT Flange Threaded Screw Flange Forging Flange Pipe Flange and so on.