JK-3030 mini cnc engraver/machinery for cylinder : 1.engrave cylinder object with rotaty axis ... could be taken down JK-3030 mini cnc engraver/machinery for cylinderUsage: can be used to engrave granite,marble, ... stone materials.Machine features: 1).Particular style, competent for elaborate engraving and cutting.2).The whole machine uses ... u00,mmg,plt JK-3030 mini cnc engraver/machinery for cylinder