1. Adopt IGBT Inverter technology 2. Can be DC TIG, DC Pulse TIG, MMA Feature: 1. DC TIG Welding machine adopt international standard digital control IGBT inverter technology, use microprocessor to control accurately ... loaded easily. 4. Meet the demands of DC TIG, pulse DC TIG,MMA welding,and so on. 5. Suitable for welding of the stainless steel,carbon steel,copper ...