Reducer Concentric, Flange, Elbow manufacturer / supplier in China, offering ANSI/ASME B16.11 3000lb Forged Socket-Welded Couping, Sch10s Sch40s Std A234wpb Tee Stainless Steel Pipe Fitting, ASME/ANSI B16.5 En RF/FF/Rtj 150#-2500# Stainless Steel Forged Flange and so on.