... ,tiles, crystal ,stones etc 2.CE Laser cutting machine BMG 640 laser engraving /cutting machineMatching Type :BMG640TECHNOLOGY PARAMETEROutput ... source:220V/50Hz/15A or 110v BMG640 Laser Engraving Machine Series devoted to the various non-metallic products, gifts ... , engraving wood products. This type machine with more compact mechanical structure , stable electrical performance, ...