cutting and engraving the stone, granite,Italy 6.0kw spindle motor, with two powerfulsawing for cutting the stone and the marble Q-Marble engraving and cutting ... .All S,Y,Z Axis are drived by screw rod with the ball bearing of European brand,its Z-Axis travel ... rearlistc the Auto change the spindle and the saw. cnc engraving machine for marble,granite, stone