... .high welding speed 4.380V,Three phase Portable Gas Welding Machien MIG315Y Model:MIG200Y/250Y/280G/315Y/200F/250F/280GF/315FI ... MIG gun 1pc,2.Heating tabe 1pc,3.Earth wire 1set(3m),II.Parameters Portable Gas Welding Machien MIG315Y ModelMIG315YSupply Voltage(V ... , and good resistance on the heat, trackage and deformation of heating;8.Automatic wire feeding speed reduction at arc starting and ...