... .DC MIG Welder 3.Digital display 4.free spares 250 Portable Stainless Steel Spot Welding Machine Model:MIG200/250/350/500 Mianstay ... welding systems into thin and medium applications,very useful for stainless steel and sheet metal welding,200,250,350 and 500 ... electric arc,the electric arc is gentle.Applications:The MIG250 portable stainless steel spot welding machine are widely used in all kind ...