... kinds of Laser Engraving Machine used in cutting, carving processing to wood, plastic, marble,metal. YAG Laser Welding Machine adopt ... Weld high strength, good toughness 6. Laser beam easy to achieve by the time and space, can carry out multi- beam ... stannum, nickel, chrome, titanium, columbium alloy etc.Also can apply to the different material welding like brass-copper, titanium- molybdenum, nickel ...