(SF group, OEM) spply every kinds of Laser Engraving Machine used in cutting, carving processing to wood, plastic, marble,metal. ... SH-YAG-50W Laser Marking Machine adopt:1. digital control system which has high-speed, high ... .Mainly used for Metal,alloy ,oxide,ABS,epoxy resin,printing ink,etc. which are widely applying for electronics,jewelry,automobiles,communication ...