Pipe Fitting, Elbow, Tee manufacturer / supplier in China, offering ANSI B16.9 30/60/90/120 Degree Carbon Steel/Stainless Steel Long Radius Pipe Fitting Elbow, 6 Inch 90 60 180 45 Degree Welding Carbon Steel/Stainless Steel Big Size ASTM A234 Wpb Butt Weld Long Shot Radius Seamless Ss Seamless Pipe Fitting Elbow, ASME/ANSI B16.9 Carbon Steel Pipe Fittings ASTM Carbon Steel Concentric Reducer Pipe Fitting Butt Weld SS304 316 Concentric Reducer Fittings and so on.