| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Success Securities Limited | Rep | Dealing in securities | 2008-07-18 | 2019-01-31 |
| CITIC Securities Brokerage (HK) Limited | Rep | Dealing in securities | 2007-07-04 | 2008-07-07 |
| OCBC Securities Brokerage (Hong Kong) Limited | Rep | Dealing in securities | 2006-10-16 | 2007-06-25 |
| NATIONAL RESOURCES SECURITIES LIMITED | Rep | Advising on corporate finance | - | 2003-12-15 |
| Rep | Advising on securities | - | 2003-12-15 | |
| Rep | Asset management | - | 2003-12-15 | |
| Rep | Dealing in securities | - | 2006-09-25 |