... , carving processing to wood, plastic, marble,metal. YAG Laser Welding Machine adopt:1. The device can be used for precision ... ultra-precision welding;2. Non-contact welding,it can achieve spot welding, joint-meet welding, fold welding and seal welding etc. 3. ... level up welding seam, non-polluting, small heat-affected zone 5. Weld high strength, good toughness 6. Laser beam easy to ...