... TIG/MMA/CUT 3 in 1, easy to operate, portable, durable Inverter DC TIG/MMA ... /high frequency/multifunctionWe are the factory, not the trading company. We know how to control the quality of our ... using the machine, We can ask the engineer to help you solve the problems until you are ... current is constant current8.Working with CUT, due to rapid-circulation, turn into strong plasma ARC9.CT312/ ...