... (SF group, OEM) spply every kinds of Laser Engraving Machine used in cutting, carving processing to wood, plastic, marble ... ,metal. YAG Laser Welding Machine adopt:1. The device can be used for precision ultra ... non-polluting, small heat-affected zone 5. Weld high strength, good toughness 6. Laser beam easy to achieve by ... pls see our website. YAG Laser Welding Machine