... 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. ... used for Metal,alloy ,oxide,ABS,epoxy resin,printing ink,etc. which are widely applying for electronics,jewelry,automobiles, ...