... Can engrave marble, granite, tomb-stone, milestone, ceramic tile, glass,advertising metarials,etc Stone cnc engraver YH-1325 Can engrave ... marble, granite, tomb-stone, milestone, ceramic tile, glass,advertising metarials,etcStone cnc engraverYH-1325 Stone engraving machineCX-1325PerformancesParametersStroke(mm) ... English version manual and operation vedio CD disc Stone cnc engraver YH-1325