| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Tung Shing Securities (Brokers) Limited | Rep | Dealing in securities | 2005-03-05 | 2005-04-19 |
| WINTECH SECURITIES LIMITED | Rep | Advising on corporate finance | - | 2004-02-18 |
| Rep | Advising on securities | - | 2004-02-18 | |
| Rep | Asset management | - | 2004-02-18 | |
| Rep | Dealing in securities | - | 2005-03-02 |