MIG Co2 gas shielded arc welding machine 1. IGBT inverter technology, current model control 2.small size,quality reliable MIG Co2 gas shielded arc welding machinefeatures and ... feedback, constant output, resistant to net pressure fluctuation ability3.welding process stability, splash less, molten pool deep, pretty ... easy to operation, ecnomical and practical MIG Co2 gas shielded arc welding machine