Steel Pipes, Flange, Pipe Spool manufacturer / supplier in China, offering ASME B16.9 Sch40 Reducer 1/2′′ 48′′ Bw Stainless Steel Pipe Fitting Concentric Reducer, Customized Size 304 Slip-on Plate Flange High Pressure General Industry Plate Carbon Steel Flange, Concentric Reducer DN15-DN1200 Sch40 ASTM A182 304 and so on.