| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| UZen Securities Limited | RO | Dealing in securities | 2017-03-10 | - |
| TANG PING KONG LIMITED | RO | Advising on corporate finance | 2003-04-01 | 2004-11-22 |
| RO | Advising on securities | 2003-04-01 | 2004-11-22 | |
| RO | Asset management | 2003-04-01 | 2004-11-22 | |
| RO | Dealing in securities | 2003-04-01 | 2017-03-08 |