... technology 2.Welding rod:2.5mm 3.Stable arc Inverter ZX7-200 DC ARC Welder Machine for Iron welding Characteristics:1.It adopts PWM ... (kg)8 Our welding machine model :-------ZX7 Series is inverter dc arc welding for iron and another metal.-------WS,TIG Series ... and another low alloy components.-------CUT,CT,LGK Series is inverter dc plasma cutting for stainless steel,carbon steel,copper,aluminum and ...