| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Longqi Scientific (Hong Kong) Limited | RO | Asset management | 2020-07-29 | - |
| SIGMA MANAGEMENT LTD | Rep | Advising on securities | 2019-05-23 | 2019-06-28 |
| Rep | Asset management | 2019-05-23 | 2019-06-28 | |
| PRESTIGE SECURITIES LIMITED (HK) | Rep | Dealing in securities | 2017-10-26 | 2019-05-03 |
| PRESTIGE ASSET MANAGEMENT LIMITED (HK) | RO | Advising on securities | 2016-11-15 | 2019-05-03 |
| RO | Asset management | 2016-11-15 | 2019-05-03 | |
| Everbright Capital Management Limited | Rep | Advising on securities | 2014-11-21 | 2015-03-02 |
| Rep | Asset management | 2014-11-21 | 2015-03-02 | |
| PIPER JAFFRAY ASIA SECURITIES LIMITED | Rep | Advising on securities | 2010-10-13 | 2012-08-25 |
| MF Securities Hong Kong Limited | Rep | Dealing in securities | 2009-02-12 | 2010-07-12 |
| Rep | Advising on securities | 2008-06-26 | 2010-07-12 | |
| CES Commodities (HK) Limited | Rep | Dealing in futures contracts | 2005-07-27 | 2006-09-23 |
| Everbright Securities Investment Services (HK) Limited | Rep | Dealing in securities | 2004-11-09 | 2006-09-23 |