| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| HOI SANG SECURITIES LIMITED | Rep | Dealing in securities | 2009-04-15 | 2019-11-29 |
| Greentech Technology Asset Management Company Limited | Rep | Advising on securities | 2007-05-17 | 2008-10-20 |
| Rep | Asset management | 2007-05-17 | 2008-10-20 |