... to wood, plastic, marble,metal. SH-YAG-50W Laser Marking Machine adopt:1. digital control system which has high-speed ... , high precision characteristics;2. Marking process of non-contact, permanent marking effect,human operating, operation stability;3. professional ... and some non-metal materials.Mainly used for Metal,alloy ,oxide,ABS,epoxy resin,printing ink,etc. which are widely applying ...