... small heating area 3.looks compact and sleek YAG Jewelry Laser Welding Machine Equipment features HT- W150 is used ... frequency, such light pass through Nd3+:YAG crystal, exciting ND3+:YAG laser, then the laser light pass through resonant cavity, forms ... and in defense applications.Jewelry laser welding machine Standard Configuration:1.YAG laser occurrence unit, 1set 2.Laser power, 1PC, 3.Optical ...