GT-tronics DERIER Limited
| Business category 1 | Fine Jewelry |
| City ( of main office ) | Hong Kong, HK, Hong Kong |
| Address | 133 Leighton Road, Hong Kong |
| Phones | 00852-45681258 |
| Date | 2011 Oct 29, 11:10 |
| Business category 1 | Fine Jewelry |
| City ( of main office ) | Hong Kong, HK, Hong Kong |
| Address | 133 Leighton Road, Hong Kong |
| Phones | 00852-45681258 |
| Date | 2011 Oct 29, 11:10 |