Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering ANSI B16.5 DN50 Class 150 Temperature Resistance Carbon Steel ASTM A105 Plain Flange, ASME B16.5 DN15~DN600 Class 150~2500 High Pressure Class Carbon Steel Plate Flange, Butt Welding Neck Flange Forging 304 Stainless Steel Flange Pipe Fitting and so on.