... LEI production)High Precision Laser Engraving Machine "CHUN LEI" Brand CL-L1690SGD Laser Engraving Machine 1600*900mmwith Double Laser Tubes (blue & white)Applied ... , leather, rubber, bamboo, crystal, plexiglass, ceramic tiles, marble & granite, veneer film, cardboard, jade plastic, ox horn, wood, rubber and so on ...