... ,for jade making 1.specially for Jade material 2.frequency spindle cooled by water 3.high precision JD3025 jade and jewelry engraver ... -horn,and various non-ferrous metals.Application field: Printing industry, jewelry decoration, seal , architecture models, handicrafts, instrumentpanel , small industrial unit and ... /4mmFile formatG-code/HPGLResolution≤0.01 mm JD3025 jade and jewelry engraver machine