WSX's new hand-held laser welding head ND19 has a smart internal design and a good interactive control system, which expands the tolerance range of the processed parts and the width of the weld seam, solves the disadvantage of small spot, and makes the weld seam better. The shape is light, the body engineering design method is adopted, the grip is comfortable, it is easy to grasp with one hand, and the operation is simple and easy to use. With multiple safety alarms, the light is automatically locked after the workpiece is removed, and the safety is high. Beautiful welding seam, fast speed, no consumables, no welding marks. No discoloration, no post-grinding required. It can be equipped with wire nozzle components and various angle copper nozzles to meet the welding needs of different products.