... pass through Nd3+:YAG crystal, exciting ND3+:YAG laser, then the laser light pass through resonant cavity, forms a beam ... After amplification, reflection, transmission and other processes, the laser is projected to the object surfaces that need for welding ... welding, Mould repairing, Golf ball repairing, Spot welding for component, Battery welding etc. Advantages Jewelry laser welding machine has got ...