| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Pulun International Securities Limited | Rep | Dealing in securities | 2017-08-11 | - |
| BUSINESS SECURITIES LIMITED | Rep | Dealing in securities | 2010-11-15 | 2017-07-31 |
| TUNG TAI SECURITIES COMPANY LIMITED | Rep | Providing automated trading services | 2003-04-01 | 2003-07-03 |
| Rep | Advising on corporate finance | 2003-04-01 | 2003-08-21 | |
| Rep | Asset management | 2003-04-01 | 2003-08-21 | |
| Rep | Advising on securities | 2003-04-01 | 2010-10-31 | |
| Rep | Dealing in securities | 2003-04-01 | 2010-10-31 |