... . 2,mosfet design 3,Welding thickness:2.0-8.0 Dual voltage 220V 380V MMA-270 stick welding machine A.Feature and Application 1 ... , best for outdoor movable working and high altitude working. 6.Beautiful shape of seam, good quality of arcing starting, stable arc and ... could make as your specific requirements F.Two stage quality control 1,Machine Adjustment, test the inner components to maintain the best ...