... steel,stainless steel,cast iron, aluminum,copper and other sheet matal cutting. ◊cutting-edge inverter technology: 1.IGB ... width modulator, closed loop control system to ensure the machine is stable ◊excellent welding performance: 1.incision formation, ... do not pollute the environment, more economical than flame cutting machine, high efficiency, enviromental protection; ◊perfect protection system: 1 ...