DC MMA welding machine 1.Adopt with advanced MOS/IGBT inverter technology, save ... of over-voltage and over-current, thermostatic protection, moveable welding cable. 4. Strong welding permeability, less splash, good weld appearance, sound-proof ... weld all kinds of material, such as stainless steel, steel, tungsten, titanium, nickel and other alloy material. 7. with complete accessories ...