| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| CHINA TIMES SECURITIES LIMITED | Rep | Dealing in securities | 2013-05-20 | 2020-10-29 |
| HANG TAI SECURITIES LIMITED | Rep | Dealing in securities | 2007-01-10 | 2013-05-16 |
| GLS SECURITIES LIMITED | Rep | Advising on corporate finance | - | 2004-01-27 |
| Rep | Advising on securities | - | 2004-01-27 | |
| Rep | Asset management | - | 2004-01-27 | |
| Rep | Providing automated trading services | - | 2004-08-25 | |
| Rep | Dealing in securities | - | 2007-01-02 |