| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| TUNG WUI SECURITIES CO., LIMITED | Rep | Dealing in securities | 2011-06-23 | 2011-11-29 |
| Wells Fargo Securities Asia Limited | Rep | Dealing in securities | 2009-10-30 | 2010-09-29 |
| Merrill Lynch (Asia Pacific) Limited | Rep | Dealing in securities | 2007-11-29 | 2009-07-23 |