| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Arta Asset Management Limited | Rep | Dealing in securities | 2009-07-03 | 2010-07-15 |
| ENLIGHTEN SECURITIES LIMITED | Rep | Dealing in securities | 2007-08-30 | 2010-07-15 |
| HANTEC SECURITIES CO., LIMITED | Rep | Dealing in securities | 2007-03-07 | 2007-08-18 |