... 1.solder wire 2.ISO9001:2008,GL,LR,ABS 3.Excellent performance 5. 1, 5, 15, 20kgs spool or 250 350kgs drum solder ... wireWe are manufacturer and adopt elaboration management.Qifeng brand CO2 gas shielded welding wire, characterized by good ... , engineering machinery, pressure vessels and buildings.Producing process: PretreatmentDrawbenchCopperingPacking solder wire ER70S-6