| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| CITIC Securities Brokerage (HK) Limited | Rep | Dealing in securities | 2004-08-18 | 2023-10-05 |
| HOORAY SECURITIES LIMITED | Rep | Dealing in securities | 2003-08-01 | 2004-08-18 |
| WING YEE SECURITIES COMPANY LIMITED | Rep | Advising on corporate finance | - | 2003-06-30 |
| Rep | Advising on securities | - | 2003-06-30 | |
| Rep | Asset management | - | 2003-06-30 | |
| Rep | Dealing in securities | - | 2003-06-30 |