... ISO9000,ROHS,UL apprvoed MOS technology welding machine New type,high efficiency, economy,practical CT welding machine 1. Suitable for TIG,SMAW, ... functions in one machine; 2. Electronic function shift, easy to operate, economic and durable; 3. Good arc initiation for ... TIG, stable current, concentrated arc, suitable for welding of arious metals; 4. ...