| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| North Beta International Securities Limited | RO | Advising on securities | 2015-11-06 | 2017-03-31 |
| RO | Dealing in securities | 2009-07-17 | 2017-03-31 | |
| LXL Investment Management (Hong Kong) Limited | Rep | Asset management | 2006-05-17 | 2008-03-31 |
| Yuanta Asia Investment (Hong Kong) Limited | Rep | Dealing in securities | 2004-06-28 | 2006-02-17 |
| Mage Securities Limited | Rep | Dealing in securities | 2003-12-04 | 2004-06-25 |
| BETA INTERNATIONAL SECURITIES LIMITED | Rep | Dealing in securities | 2003-07-21 | 2003-11-30 |
| TUNG TAI SECURITIES COMPANY LIMITED | Rep | Providing automated trading services | - | 2003-07-03 |
| Rep | Advising on corporate finance | - | 2003-07-21 | |
| Rep | Advising on securities | - | 2003-07-21 | |
| Rep | Asset management | - | 2003-07-21 | |
| Rep | Dealing in securities | - | 2003-07-21 |