... be changed. Principle of Operation Jewelry laser welding machine is widely used in welding of Golden, Sliver, Platinum, Stainless steel, ... fields of Aviation, Airspace, Weapon, Naval vessel, GEM products, Jewelry, Precise mould, Dental mold, Hardware and so on. Especially ... suitable for Jewelry welding, Mould repairing, Golf ball repairing, Spot welding for ...