| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Yuet Sheung International Securities Limited | RO | Advising on securities | 2015-12-18 | 2019-11-30 |
| RO | Dealing in securities | 2015-12-18 | 2019-11-30 | |
| THE CORE SECURITIES COMPANY LIMITED | RO | Advising on securities | 2010-11-19 | 2013-02-15 |
| RO | Dealing in securities | 2010-11-19 | 2013-02-15 | |
| YUE XIU SECURITIES COMPANY LIMITED | RO | Advising on securities | 2008-03-18 | 2010-10-26 |
| RO | Dealing in securities | 2008-03-18 | 2010-10-26 |