... IGBT inverter technology, usd microprocessor for precise control It is easier to operate welding efficiently. Moreover,the ... parameters are accessible after being stored up. 4. It can meet various kinds of welding demands such as ... and guarantees its cost-effective high performance. 5. It is applicable for welding stainless steel, copper, titanium, ... .5 DC Pulse TIG welding machine( 200A, Pulse, IGBT)