YAG Jewelry Laser Welding Machine 1.high accurate laser spot welding 2.very small heating area 3.looks ... time working. Advantage High speed, high efficiency, deep, small deformation, small heat effect area, high welding quality, pollution free welding spot, environmental ... of gold and silver jewelry, spot welding, repairing, inlay and welding of claw.Technical parametersModelHT-W150Rated laser output ...