| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Manulife Investment Management (Hong Kong) Limited | Rep | Advising on securities | 2019-09-23 | 2022-11-23 |
| Rep | Dealing in securities | 2019-09-23 | 2022-11-23 | |
| First Sentier Investors (Hong Kong) Limited | Rep | Dealing in securities | 2016-03-30 | 2017-02-28 |
| Quam Securities Limited | Rep | Dealing in securities | 2013-09-16 | 2014-05-14 |
| CHINA TONGHAI (IA) LIMITED | Rep | Advising on securities | 2006-12-04 | 2013-09-02 |
| QUAM ASSET MANAGEMENT LIMITED | Rep | Advising on securities | 2004-11-18 | 2006-11-17 |
| Rep | Asset management | 2004-11-18 | 2006-11-17 |