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