automatic portable stone engraving machine 1.600x900mm,CE 2.1.5kw constant ... 3.square guide,stepper motor 4.OEM SD-6090 automatic portable stone engraving machineApplicable industriesAdvertising industry,handicrafts and moulds making industry ... of the tile,bluestone, marble,granite,white marble,sandstone,glass type,copper,iron,plastic,stone sculpture processing,category carved glass-cutting ...