| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| PICO ZEMAN SECURITIES (HK) LIMITED | RO | Dealing in securities | 2010-07-12 | 2018-06-30 |
| CHINA SYSTEM SECURITIES LIMITED | RO | Dealing in securities | 2005-11-02 | 2010-07-01 |
| ENLIGHTEN FUTURES LIMITED | RO | Advising on futures contracts | - | 2003-07-23 |
| RO | Asset management | - | 2003-07-23 | |
| RO | Dealing in futures contracts | - | 2003-07-23 | |
| ENLIGHTEN SECURITIES LIMITED | RO | Advising on corporate finance | - | 2003-07-23 |
| RO | Advising on securities | - | 2003-07-23 | |
| RO | Asset management | - | 2003-07-23 | |
| RO | Dealing in securities | - | 2003-07-23 |