| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| TANG PING KONG LIMITED | Rep | Dealing in securities | 2006-03-15 | 2016-08-10 |
| CHENG YAM ON SECURITIES LIMITED | Rep | Advising on corporate finance | - | 2003-12-16 |
| Rep | Advising on securities | - | 2003-12-16 | |
| Rep | Asset management | - | 2003-12-16 | |
| Rep | Dealing in securities | - | 2005-11-01 |