| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| ZHONGTAI INTERNATIONAL SECURITIES LIMITED | Rep | Advising on securities | 2020-02-06 | - |
| BOCOM International Securities Limited | Rep | Advising on securities | 2018-10-03 | 2019-12-25 |
| ZHONGTAI INTERNATIONAL SECURITIES LIMITED | Rep | Advising on securities | 2017-09-12 | 2018-09-21 |
| SDIC SECURITIES (HONG KONG) LIMITED | Rep | Advising on securities | 2012-04-26 | 2017-08-19 |
| MIZUHO SECURITIES ASIA LIMITED | Rep | Advising on securities | 2009-02-20 | 2011-02-25 |
| Rep | Dealing in securities | 2008-03-13 | 2011-02-25 | |
| BOCI SECURITIES LIMITED | Rep | Dealing in futures contracts | 2006-07-04 | 2008-03-08 |
| Rep | Dealing in securities | 2006-07-04 | 2008-03-08 |