Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering Butt Welding Neck Flange Forging 304 Stainless Steel Flange Pipe Fitting, ANSI B16.5 Nps 2 Class 300 Stainless Steel Flat Welding Flange Pipe Fitting Forging, ASME B16.5 Forged 304 / 316L Stainless Steel Weld Neck Flange Pipe Fitting Welding and so on.