... kinds of Laser Engraving Machine used in cutting, carving processing to wood, plastic, marble,metal. YAG Laser Welding Machine adopt:1. The device ... can be used for precision ultra-precision welding;2. Non-contact welding,it can achieve spot welding, joint-meet welding, fold welding ... industries.The details informations pls see our website. YAG Laser Welding Machine