| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Yuanta Securities (Hong Kong) Company Limited | RO | Advising on securities | 2025-07-21 | - |
| RO | Dealing in securities | 2017-08-22 | - | |
| Rep | Asset management | 2016-01-22 | - | |
| Rep | Dealing in securities | 2016-01-22 | 2017-08-22 | |
| Rich Union Securities (H.K.) Limited | Rep | Asset management | 2014-08-18 | 2016-01-15 |
| Rep | Dealing in securities | 2014-08-18 | 2016-01-15 | |
| ICBC INTERNATIONAL SECURITIES LIMITED | Rep | Dealing in securities | 2012-05-14 | 2014-05-10 |
| Oppenheimer Investments Asia Limited | Rep | Dealing in securities | 2011-10-27 | 2012-03-30 |
| ORION INVESTMENT MANAGEMENT LIMITED | Rep | Advising on securities | 2010-06-29 | 2011-09-20 |
| Rep | Dealing in securities | 2010-06-29 | 2011-09-20 | |
| MUSHK Limited | Rep | Advising on securities | 2008-10-02 | 2010-06-01 |
| Rep | Dealing in securities | 2008-10-02 | 2010-06-01 | |
| Rich Union Securities (H.K.) Limited | Rep | Advising on securities | 2007-05-30 | 2008-09-08 |
| Rep | Dealing in securities | 2007-05-30 | 2008-09-08 |