... ,tiles, crystal ,stones etc 2.CE Laser cutting machine BMG 640 laser engraving /cutting machineMatching Type :BMG640TECHNOLOGY PARAMETEROutput Power60 ... source:220V/50Hz/15A or 110v BMG640 Laser Engraving Machine Series devoted to the various non-metallic ... performance, carving high speed and accuracy. BMG640 laser engraving machine can engraving various exquisite pictures, portrait, labels and sign ...