... welding machine Main characteristic:1.Adopts advanced V-MOS inverter technology, using non-crystal core and power units. Reliable, portable, light and high ... to operate by MMA welding, suitable for welding stainless steel, mild steel alloy, copper, etc.MMA welding machine MMA 90MMA 105MMA 120Power ... KG)55.25.5Dimension(MM)290x132x180290x132x180290x132x180Protection classIP21IP21IP21 mma welding machine