... competitive price, guaranteed welding quality, enery saving, durable and portable. DC Inverter ARC MMA Welding equipmentModel No:ZX7-400DSpecifications ParameterMODELZX7-315ZX7 ... covers inverter MMA, TIG, MIG/MAG, PULSE TIG, AC/DC TIG, PLASMA CUTTING series. And most of welding machines are ... export to our overseas customers. DC Inverter ARC MMA Welding equipment(ZX7-400D)