Dongtai Ultrasonic Gem Machine Co., Ltd
drilling machine
- Ultrasonic gem auto drilling machine 1800W
- 1 Sets
- Negotiable
- electronic gem carving machine
- 1 Sets
- Negotiable
- gem carving machine
- 1 Sets
- Negotiable
- ultrasonic gem auto drilling and carving machine
- 1 Sets
- USD $$640 - $640 / Set
- Two-way pearl drilling gem machine
- 1 Sets
- USD $$370 - $370 / Set
- ultrasonic manual gem drilling machine
- 1 Sets
- USD $$320 - $320 / Set