Polishing Grinding Machine Gem Jewelry Rock Bench Lathe ...
Polishing Grinding Machine Gem Jewelry Rock Bench Lathe Polisher Gem Carving. Product Description. Features: 【Professional Station】:Latest designed all in one gem machining including cutting, polishing and gem engraving with adjustable speed of 1600 to 3300RPM. Intend to save your time and cost as much as possible.