| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| ZHONGTAI INTERNATIONAL SECURITIES LIMITED | Rep | Dealing in securities | 2015-06-19 | 2015-07-27 |
| LUK FOOK SECURITIES (HK) LIMITED | Rep | Dealing in securities | 2012-10-12 | 2014-06-08 |
| XinKong International Securities Limited | RO | Advising on securities | 2012-03-01 | 2012-09-27 |
| RO | Dealing in securities | 2012-03-01 | 2012-09-27 | |
| Rep | Advising on securities | 2012-01-16 | 2012-03-01 | |
| Rep | Dealing in securities | 2012-01-16 | 2012-03-01 | |
| WILSON SECURITIES LIMITED | RO | Advising on securities | 2011-03-23 | 2011-12-31 |
| RO | Dealing in securities | 2011-03-23 | 2011-12-31 | |
| Hafoo Securities Limited | Rep | Dealing in securities | 2010-07-27 | 2011-12-31 |
| WILSON SECURITIES LIMITED | Rep | Advising on securities | 2010-07-27 | 2011-03-23 |
| Rep | Dealing in securities | 2010-07-27 | 2011-03-23 | |
| KGI ASIA LIMITED | Rep | Dealing in securities | 2008-09-05 | 2010-07-14 |
| Rep | Advising on securities | 2008-08-18 | 2010-07-14 | |
| OnePlatform Asset Management Limited | Rep | Advising on securities | 2006-07-03 | 2008-08-02 |
| AIA WEALTH MANAGEMENT COMPANY LIMITED | Rep | Advising on corporate finance | - | 2004-05-04 |
| Rep | Asset management | - | 2004-05-04 | |
| Rep | Dealing in securities | - | 2004-05-04 | |
| Rep | Advising on securities | - | 2006-06-10 |