... energy saving,good quality,perfect performance,CE&ROS Inverter MIG270 mig welding machine IGBT moduleFeatures 1.IGBT Inverter technology,current control, ... .Electric control,little spatter,stable in welding, good shape.4.Efficient productivity,good welding quality,no dregs,open arc,small ... weld heat affect zone,small strain and beautiful look of welding seam.5.Small size, light weight, easy to operate ...