... work as TIG, MMA and CUT,TIG CT-312 Welding/Cutting machine CT-312 CT-312 Welding/Cutting machine description1. Suitable for TIG,SMAW, cutting, ... exclusive product, multi functions in one machine; 2. Electronic ... TIG, stable current, concentrated arc, suitable for welding of arious metals; 4. SMAW for 2.5 ...