| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| CSPI Credit Ratings Company Limited | Rep | Providing credit rating services | 2021-01-11 | 2024-03-08 |
| DBS VICKERS (HONG KONG) LIMITED | Rep | Advising on securities | 2006-07-18 | 2007-06-09 |
| MEAG Hong Kong Limited | Rep | Asset management | 2005-08-09 | 2006-07-10 |
| Rep | Advising on securities | 2005-04-28 | 2006-07-10 | |
| CES Private (HK) Limited | Rep | Advising on securities | 2003-12-11 | 2005-01-27 |