... purpose welder ZX7(IGBT,MMA) welding machine Description♦ Single-phase, portable, fan-cooled, good quality and energy-saving.♦ Adopt with ... , light weight, suitable for moving, and suit for welding all kinds of basic welding rod. ♦ Be able to work continuously ... -voltage, over-current, and over-heat.♦ Good welding quality,deep penetration. ♦ Digital display the welding current.1.MMA electrode ...