Manhole Covers, Flanges, Valves manufacturer / supplier in China, offering ANSI /ASME B16.9 Carbon Steel Lateral Tee Y Tee Buttwelded Pipe Fitting, Bw A234 Wpb Seamless 45 Degree Carbon Steel Elbow, 1/2"-24" ANSI 16.9 Butt Welded Carbon Steel Straight Tee and so on.