Pipe Fitting, Carbon Steel Pipe Fitting, Elbow manufacturer / supplier in China, offering Butt Welding A106b/A234 Wpb Mild / Carbon Steel Pipe Fitting Elbow (3" STD), Welded 90d Lr Elbow Carbon Steel, 316 ANSI B16.9 Stainless Steel Pipe Fitting 45 Degree Elbow and so on.