... changes the traditional engraving method, for some heavy materials we can put the upper part onto them, ... -precision 3-phase stepper motorAuxiliary equipmentsExhaust fan and air exhaust pipePower supplyAC110V/220V+10%,50HZ/ ... and crafts, pdaper industry,etc. Applicable MaterialsMarble, wood, acrylic,organic glass, crystal, fabric,paper,leather,rubber,ceramic,glass ,bamboo, and other non-metal materials ...