| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| CAITONG INTERNATIONAL SECURITIES CO., LIMITED | Rep | Advising on securities | 2017-05-02 | - |
| Rep | Dealing in securities | 2015-06-11 | - | |
| ZHONGTAI INTERNATIONAL FUTURES LIMITED | Rep | Dealing in futures contracts | 2013-04-08 | 2015-06-01 |
| ZHONGTAI INTERNATIONAL SECURITIES LIMITED | Rep | Dealing in securities | 2013-02-14 | 2015-06-01 |
| Hongkong Bay Securities Limited | Rep | Dealing in securities | 2012-07-18 | 2013-01-29 |
| RO | Dealing in securities | 2011-11-02 | 2012-07-18 | |
| Rep | Dealing in securities | 2011-10-12 | 2011-11-02 | |
| WIN WONG SECURITIES LIMITED | Rep | Dealing in securities | 2009-04-27 | 2010-08-02 |
| CTW SECURITIES LIMITED | Rep | Dealing in securities | 2007-10-08 | 2008-10-31 |