Using the latest MAX RECI RAYCUS generation fiber continuous laser, equipped with self-developed three-in-one (rust removal, cutting, welding) hand-held welding head and control system, with automatic wire feeding, to fill the gap in the laser equipment industry hand-held welding. It has the advantages of simple operation, easy to use, beautiful weld seam, fast welding speed and no consumables. The whole machine is equipped with a special copper nozzle for cutting, which can cut metal sheets at will after increasing the air supply pressure. It is possible to remove rust and oxide layer of sheet metal, and the scanning range can be adjusted up to 50mm.