| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| HING WONG SECURITIES LIMITED | Rep | Dealing in securities | 2022-10-21 | 2024-10-15 |
| CAITONG INTERNATIONAL SECURITIES CO., LIMITED | Rep | Dealing in securities | 2015-09-09 | 2022-10-05 |
| ORIENT SECURITIES LIMITED | Rep | Dealing in securities | 2013-10-15 | 2015-08-31 |
| WIN WONG SECURITIES LIMITED | Rep | Dealing in securities | 2008-06-04 | 2013-10-11 |
| HING WONG SECURITIES LIMITED | Rep | Advising on corporate finance | - | 2003-07-09 |
| Rep | Asset management | - | 2003-07-09 | |
| Rep | Advising on securities | - | 2008-05-31 | |
| Rep | Dealing in securities | - | 2008-05-31 |