... perfect structure >large area engraved >adopt multi format picture >auto cool down High Precision Laser Engraving Machine "CHUN LEI ... , rubber, bamboo, crystal, plexiglass, ceramic tiles, marble & granite, veneer film, cardboard, jade plastic, ox horn, wood, ... Weight434kgAluminum Alloy WorktableYESMotorized up/down TableYES1 laser tubes and 1 laser power SuppliedYESWater-Cooling SystemYES1 x lens ...