... good quality,perfect performance,CE&ROSH Inverter MIG 160 co2 welding machine IGBT Features 1.IGBT Inverter technology,current control, ... voltage change ±15%.3.Electric control,little spatter,stable in welding, good shape.4.Efficient productivity,good welding quality,no dregs,open arc ... weld heat affect zone,small strain and beautiful look of welding seam.5.Small size, light weight, easy to operate ...