... Engraving Machine used in cutting, carving processing to wood, plastic, marble,metal. YAG Laser Welding Machine adopt:1. ... precision ultra-precision welding;2. Non-contact welding,it can achieve spot welding, joint-meet welding, fold welding and seal welding etc. 3. ... beam at the same time processing and multi-processing. Application in gold, silver, platinum, stainless steel, copper, aluminium, ...