| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Rifa Securities Limited | Rep | Dealing in securities | 2014-03-31 | - |
| XinKong International Securities Limited | Rep | Dealing in securities | 2010-05-11 | 2014-03-21 |
| LUEN FAT SECURITIES COMPANY LIMITED | Rep | Dealing in securities | 2007-08-30 | 2010-04-27 |
| Open Securities Limited | Rep | Dealing in securities | 2006-12-04 | 2007-08-17 |
| PRESIDENT SECURITIES (HONG KONG) LIMITED | Rep | Dealing in securities | 2006-03-08 | 2006-11-24 |
| Open Securities Limited | Rep | Dealing in securities | 2003-09-04 | 2006-02-20 |
| UPBEST SECURITIES COMPANY LIMITED | Rep | Advising on corporate finance | 2003-04-01 | 2003-07-22 |
| Rep | Advising on securities | 2003-04-01 | 2003-07-22 | |
| Rep | Asset management | 2003-04-01 | 2003-07-22 | |
| Rep | Dealing in securities | 2003-04-01 | 2003-07-22 |