CT-312 DC Inverter machine 1.CE approved 2.One machine has three purposes 3.Be able to ... work as TIG,MMA and CUT,TIG CT-312 DC Inverter machine ... in one machine; 2. Electronic function shift, easy to operate, economic and durable; 3. Good arc initiation ... variety of metallic sheets; 6. Compact, easy to install, conventient to move; 7. Crafty circuit design, simple structure ...