1.High quality welding wire ER70S-6 2.ISO9001:2008,ABS,GL,LR 3.Excellent performance 4.1,5,15,20kgs spool or 250 ... , bridges, engineering machinery, pressure vessels and buildings.Producing process: PretreatmentDrawbenchCopperingPacking High Quality CO2 Gas Shielded Welding Wire AWS ER 70S-6 A5.18 SG2