| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Morgan Stanley Asia Limited | Rep | Dealing in securities | 2007-05-15 | 2008-02-14 |
| Merrill Lynch (Asia Pacific) Limited | Rep | Dealing in securities | 2006-04-18 | 2007-02-16 |
| Credit Suisse (Hong Kong) Limited | Rep | Providing automated trading services | - | 2003-08-22 |
| Rep | Dealing in securities | - | 2004-03-15 |