... every kinds of Laser Engraving Machine used in cutting, carving processing to wood, plastic, marble,metal. YAG Laser Welding Machine adopt: ... level up welding seam, non-polluting, small heat-affected zone 5. Weld high strength, good toughness 6. Laser beam easy to ... nickel, chrome, titanium, columbium alloy etc.Also can apply to the different material welding like brass-copper, titanium- molybdenum, ...