021 - 6236 1981
marketing@busiunion.com
Diamond Mining in China
Diamonds were found in China about 200 to 300 years ago. Bet...
The Changma Diamond District, Mengyin
The 701 Changma mine has historically been China's largest p...
Contact: Newyork Liu
Phone:
Tel: 021 - 6236 1981
Company: Busiunion
Add: Shanghai, China
Busiunion
Busiunion