DC IGBT welding machine 1.Suit for welding kinds of basic acidity, 2.widely used 3.high efficiency ... pipe, hign rate power utlization, low no-load loss, good welding quanlity.♥ Compact, light and portable, suitable for moving, going ... ,over-heat.♥ Suit for welding kinds of basic acidity, alkalescence welding rods, support cellulose rod downwarding welding. One pcb Inverter arc welding machine mma-120I