DONGTAI ULTRASONIC GEMS MACHINE CO.,LTD, a gem stone company speciallized in providing ultrasonic punching and carving machine.
The main product line includes: cutting machine, drilling & carving machine, forming machine, ultrasonic machine, polishing machine, round bead machine.
With more than ten years engaged in gem machinery, we can supply quality product, excellent service and help customer building their stone production line.
The machine infos is avil at http://www.dongtai168.com.
And your questions will be replied at dongtai1688@hotmail.com.

This exhibition looks very great and useful. One of my friend live in Henan, China. I must recommend this exhibition to him.. I am looking forward towards it.