1.MIG welding, MAG welding, CO2 welding. wire feeder outside. 2.One knob adjustment. 3.FTT function. 4. CCC and CE. Feature:1. MIG MAG welding machine adopt the integrated circuit, IGBT inverter power source technology, convenient to adjust and good performance.2. Welding current, voltage separated adjustment/simplified one knob adjustment.3. FTT is offered, which is available for deleting the ...