1.Large welding depth, 2.Welding firmly. 3,Long service life,low power dissipation 4,Factory ... Repair also named:industrial mould laser welding machines,laser deposition of welding machines,laser repair welding machine,casting patch machines and so ... affected zone2. do not cause the precision tooling deformation3. large welding depth,welding firmly.4. melting fully,no stomata and sand hole,without ...