... machine, which has eight welding methods, such as MMA, TIG, Pulsed-TIG and etc... Multiple functions digital inverting welding machineThe leading digital ... welding machine contain 8 single welding methods: MMA, DC-argon arc welding, pulsed-argon arc welding, argon arc spot welding, GMAW(CO2/MIG/MAG), pulsed-GMAW ...