... , convenient to carry;welding machine IGBT DC MMA Welding Machine(ZX7-400)1. Advanced IGBT inverter technology, stable current, steady and ... welding;7. Complete accessories: welding holder, earth clamp, ect. ModelSpec.ZX7-315ZX7-400ZX7-500ZX7-630Power supply voltageAC 380±10% V / 50 ... machine,dc mma welding machine IGBT DC MMA Welding Machine(ZX7-400)