| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Allter Capital Management Limited | RO | Advising on securities | 2020-04-20 | - |
| RO | Asset management | 2020-04-20 | - | |
| ZHONGTAI INTERNATIONAL SECURITIES LIMITED | Rep | Advising on securities | 2014-11-03 | 2017-06-19 |
| Rep | Dealing in securities | 2014-11-03 | 2017-06-19 | |
| WING FUNG FINTECH LIMITED | Rep | Leveraged foreign exchange trading | 2010-11-02 | 2014-09-25 |
| WING FUNG FUTURES LIMITED | Rep | Dealing in futures contracts | 2010-11-02 | 2014-09-25 |
| WING FUNG SECURITIES LIMITED | Rep | Dealing in securities | 2010-11-02 | 2014-09-25 |