Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering ANSI B16.5 DN300 Shipbuilding F304/F304L Slip on Flange, Forged Stainless Steel Weld So RF Slip on Flange Pipe Fittings Reduced SAE DIN / En, ASME B16.5 DN15~DN600 High Pressure Class Carbon Steel Slip-on Flange and so on.