1.Repair pin holes, gas hole, burring, flash, bump, scuffing, edge chipping, pinhole porosity, crackle 2.Portable ... disposition cold welding machine/ cast iron welding device / mold welding device/steel cold welding device Main parameters: 1.Model:SZ-082.Input ... and other machines can repair Pin holes, gas hole, burring, flash, bump, scuffing, edge chipping, pinhole porosity, crackle, abrasion, wear ...