... 600x400mm 3) CE standard 4) 40w laser tube Small laser engraving machine Technical parameter: modelWDJ-6040Working area600 x 400mmLaser TypesHermetic And Detached ... , rubber sheet, plastic, crystal, glass, wood, bamboo, oxhorn, figuline,marble, leather, cloth, double-color board, etc. nonmetal materials Comprehensive application ... and jewelery industry and so on. Sample: Small laser engraving machine