| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| WIN WONG SECURITIES LIMITED | Rep | Dealing in securities | 2011-10-26 | 2023-11-24 |
| RaffAello Securities (HK) Limited | Rep | Dealing in securities | 2005-03-30 | 2011-10-21 |
| Welform Investors Company | Rep | Advising on corporate finance | - | 2005-03-03 |
| Rep | Advising on securities | - | 2005-03-03 | |
| Rep | Asset management | - | 2005-03-03 | |
| Rep | Dealing in securities | - | 2005-03-30 |