| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Grand China Securities Limited | RO | Advising on securities | 2021-06-07 | - |
| RO | Dealing in securities | 2018-04-18 | - | |
| Rep | Dealing in securities | 2018-04-11 | 2018-04-18 | |
| China-Hong Kong Link Securities Company Limited | RO | Dealing in securities | 2017-03-17 | 2018-03-15 |
| Rep | Dealing in securities | 2016-05-24 | 2017-03-17 | |
| China Hong Kong Capital Asset Management Company Limited | Rep | Dealing in securities | 2015-02-12 | 2016-03-29 |
| CHIEF SECURITIES LIMITED | Rep | Dealing in securities | 2011-06-24 | 2015-02-01 |
| OnePlatform Asset Management Limited | Rep | Dealing in securities | 2010-06-18 | 2011-06-10 |
| Rep | Advising on securities | 2008-12-29 | 2010-06-18 |