Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering ANSI B16.5 2 Inch Class 600 ASTM A350 Lf2 Ring-Type Joint Wn Flange Stainless Steel Flange, ANSI B16.5 DN15~DN600 ASTM A105 Raised Face Welding Neck Flange Stainless Steel Flange, ANSI B16.5 12 Inch Class 300 Carbon Steel Full Penetration Weld Butt Weld Flange Stainless Steel Flange and so on.