YAG welding widely used for denture,Jewelry,mold repairing and refurbishing, Die casting mold laser repair industry,YAG welder combines with the corresponding welding wire for laser welding repair. Mold repair requirements.Mobile phone cover repair industry, Precision plug-in laser welding industry, Dowin YAG Laser welder can repair the precision plug-in mold core almost perfectly. The hardness after welding is the same as the mold core. It can precisely repair narrow seams, sharp corners and deep grooves without burning other parts.