... mainly used in the engraving of the hard materials such as marble, granite, glass, stone etc.2.Adopt Taiwan Linear ... knife continue engraving function, can engrave at any place as you need.6.Good software compatibility,the CAD/CAM design system like ... industry: Sculpture of copper, aluminum, iron and other metal molds, as well as artificial marble, sand, plastic sheeting, PVC pipe, wooden planks ...