| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| DBS VICKERS (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2006-06-02 | 2021-11-08 |
| Rep | Dealing in securities | 2005-10-18 | - | |
| Open Securities Limited | Rep | Advising on corporate finance | 2004-07-28 | 2005-10-06 |
| Rep | Dealing in securities | 2003-10-13 | 2005-10-06 | |
| Manulife Investment Management (Hong Kong) Limited | Rep | Dealing in securities | 2003-08-29 | 2003-10-10 |