| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| DELTA ASIA SECURITIES LIMITED | Rep | Dealing in securities | 2023-05-25 | - |
| HING WONG SECURITIES LIMITED | Rep | Dealing in securities | 2022-03-10 | 2023-05-17 |
| DELTA ASIA SECURITIES LIMITED | Rep | Dealing in securities | 2021-05-03 | 2022-03-01 |
| CHOW SANG SANG SECURITIES LIMITED | Rep | Dealing in securities | 2015-06-01 | 2021-04-30 |
| EMPEROR SECURITIES LIMITED (HK) | Rep | Dealing in securities | 2015-02-04 | 2015-05-23 |
| Quam Securities Limited | Rep | Dealing in securities | 2011-08-08 | 2015-01-31 |
| EMPEROR SECURITIES LIMITED (HK) | Rep | Advising on corporate finance | 2003-04-01 | 2004-07-19 |
| Rep | Advising on securities | 2003-04-01 | 2004-07-19 | |
| Rep | Asset management | 2003-04-01 | 2004-07-19 | |
| Rep | Providing automated trading services | 2003-04-01 | 2004-07-19 | |
| Rep | Dealing in securities | 2003-04-01 | 2011-07-31 |