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 technological properties, stable and smooth wire feed, rapid melting speed, high deposition efficiency, minimum arc spatter and even and beautiful welding line, ...