... Standard: ANSI b16.9,ASTM A403 GUOBANG STEEL have Pipe and Pipe Fittings process workshop,ISO9001:2008,PED97/23/EC,and ... and RTN certfied, month output:550metric ton for pipe, 300metric ton for pipe fittings. Production Name45/90/180,Long/short Radius ... &HIC FittingsMain marketRussia, Middle East, South and North America, Europe, Oceania S31254/1.4547/254SMo/F44/WPS31254 Equal/Reducer tee-Pipe fittings