Multifunctional TIG/MMA/CUT 3 in 1, easy to operate, portable, durable Inverter DC TIG/ ... the factory, not the trading company. We know how to control the quality of our products and have a ... are made with advanced inverter technology3.Three functions in one: TIG/MMA/CUT4.High frequency(as high ... into strong plasma ARC9.CT312/416 is wildly used in welding and cutting steel, such as stainless steel, ...