The device is a integrated marking machine with 355nm UV laser output , high quality laser beam , high peak power , narrow pulse width , less heat impact during processing , high electro - optical conversion efficiency , fast marking speed , simple and practical control system , and Free maintenance ., can meet industrial high-volume production marking . It is suitable for fine marking , fine cutting and fine processing of special materials , mainly used for marking and surface treatment of various kinds of glass , crystal screen and other materials .