... spark disposition cold welding machine/ cast iron welding device / mold welding device/steel cold welding device Main parameters: 1.Model:SZ-082.Input ... repair Sharp corner, sharp-edged orifice plate, groove or furrow, side wall or jamb, bottom, deep cavitiy, flat surface, and etc ... : welding after grinding effect:Repair examples: cast iron welding device / mold welding device / steel cold welding ...