... 2.frequency spindle cooled by water 3.high precision JD3025 jade and jewelry engraver machine Performance features: 1. This series adopts ... -horn,and various non-ferrous metals.Application field: Printing industry, jewelry decoration, seal , architecture models, handicrafts, instrumentpanel , small industrial ... .175/4mmFile formatG-code/HPGLResolution≤0.01 mm JD3025 jade and jewelry engraver machine