1.TIG welding, MMA welding 2.Pulse, square-wave, 2T/4T 3.IGBT, Digital, save 10 group parameter 4.Pass CCC, CE. Features: 1.Adopts advanced digital control IGBT inverter technology, usd microprocessor for precise control It is easier to operate welding efficiently. Moreover,the product also has the software upgrading function and can compose an automated welding center working in variety of ...