| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| ROCIM Limited | RO | Advising on securities | 2020-05-06 | 2025-03-31 |
| RO | Asset management | 2007-06-29 | 2025-03-31 | |
| ARGYLE STREET MANAGEMENT LIMITED | Rep | Advising on securities | 2005-12-12 | 2006-08-07 |
| Rep | Asset management | 2005-12-12 | 2006-08-07 | |
| J.P. MORGAN BROKING (HONG KONG) LIMITED | Rep | Advising on securities | 2004-05-07 | 2005-02-22 |
| Rep | Dealing in securities | 2004-05-07 | 2005-02-22 | |
| MACQUARIE CAPITAL LIMITED | Rep | Advising on securities | 2003-11-06 | 2004-05-07 |
| SOUTH CHINA RESEARCH LIMITED | Rep | Advising on securities | 2003-07-24 | 2003-10-24 |