Weld method: DC MMA, DC TIG, DC Pulsed TIG, AC TIG, AC pulsed TIG. Characteristics: 1. Stable arc: square pulsed is controlled by dynamic reactor, clear width ... one minute of welding completed.4. Multi purpose: DC pulsed TIG welding, DC TIG/MMA welding, square pulsed AC TIG welding, spot TIG welding.Application:1. Welding for aluminium ...