| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| WING FUNG FUTURES LIMITED | RO | Dealing in futures contracts | 2006-04-21 | 2006-09-11 |
| WING FUNG SECURITIES LIMITED | Rep | Dealing in securities | 2005-07-14 | 2006-09-11 |
| RO | Dealing in securities | 2004-11-08 | 2005-07-14 | |
| Rep | Dealing in securities | 2004-07-20 | 2004-11-08 |