1.Repair pin holes, gas hole, burring, flash, bump, scuffing ... of moulds cold welding repairing machine (XKS-01) / pin hole repair machine (XKS-01) / weld metal ... machine spare parts and other tools.2. Suitable defect: Pin holes, gas hole, burring, flash, bump, scuffing, ... etc.Welding parts:Welding process:Welding examples: 1. Corner flashes, holes, pin holes, foundry parts2. Weld big machine holes ...