| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| CHOW SANG SANG SECURITIES LIMITED | Rep | Dealing in securities | 2015-08-12 | 2018-03-15 |
| WING FUNG SECURITIES LIMITED | Rep | Dealing in securities | 2015-04-30 | 2015-08-02 |
| WINGS SECURITIES (HK) LIMITED | Rep | Dealing in securities | 2008-01-14 | 2015-04-11 |
| CHONG HING SECURITIES LIMITED | Rep | Dealing in securities | 2007-11-29 | 2008-01-03 |