... , 3. TIG/MMA/CUT 4. reasonable price for muti-function welding machine FEATURES of Multi-function AC/DC Pulse TIG/MMA/CUT ... Welding machine SUPER-200P:1.Reactive power correction, MOSFET, AC/DC or ... 100 kHz high frequency;2.Compact structure, stable welding current, steady and intensive arc, reliable and durable, easy for maintenance;3.Excellent ...