| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| DAH SING SECURITIES LIMITED | Rep | Dealing in securities | 2016-02-29 | 2018-07-13 |
| EAST ASIA SECURITIES COMPANY LIMITED | Rep | Providing automated trading services | - | 2003-08-26 |
| Rep | Advising on corporate finance | - | 2003-12-22 | |
| Rep | Advising on securities | - | 2003-12-22 | |
| Rep | Asset management | - | 2003-12-22 | |
| Rep | Dealing in securities | - | 2004-07-07 |