Keystone Resources
| Business category 1 | Mining and Metallurgy Projects |
| City ( of main office ) | Singapore, SG, Singapore |
| Address | 7 Temasek Boulevard# 12-05 Suntec Tower 1 |
| Phones | 65-65-90083223 |
| Fax | 65 |
| Date | 2011 Oct 29, 00:10 |
| Business category 1 | Mining and Metallurgy Projects |
| City ( of main office ) | Singapore, SG, Singapore |
| Address | 7 Temasek Boulevard# 12-05 Suntec Tower 1 |
| Phones | 65-65-90083223 |
| Fax | 65 |
| Date | 2011 Oct 29, 00:10 |