... TIG/MMA/CUT 3 in 1, easy to operate, portable, durable Inverter DC TIG/MMA ... how to control the quality of our products and have a more competitive price. If you have some problems when using ... the machine, We can ask the engineer to help you solve the problems ... current is constant current8.Working with CUT, due to rapid-circulation, turn into strong plasma ARC9.CT312/ ...