New 140Amp MMA Welder 110/220V Stick Welder Dual Voltage ARC Welding Machine Posted on November 10, 2023 by admin Item Type Inverter Welder. Welding Process Air Carbon Arc. ? Why Choose Cuwiny MMA 200D ARC Welding Machine? . IGBT technology for easy arc starting, stable welding, deep weld pools, and beautiful welding results.