1.single-phase,portable 2.suitable for welding steel 3.ce certificate RELI dc mig/mag welder 200A welding machine MOSFET Features:1.it adopts advanced inverter technology with good welding quality and high efficiency2.dc current,fan-cooled,thermostatic protection.3.suitable for flux(gasless) welding wire and gas MIG/MAG welding wire4.suitable for welding of low carbon steel,low alloy steel , ...