| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| China Galaxy International Securities (Hong Kong) Co., Limited | Rep | Dealing in securities | 2016-04-13 | 2025-12-15 |
| STOCKWELL SECURITIES LIMITED | Rep | Dealing in securities | 2013-06-04 | 2016-04-12 |
| CVP Securities Limited | Rep | Dealing in securities | 2013-02-19 | 2013-06-03 |
| STOCKWELL SECURITIES LIMITED | Rep | Dealing in securities | 2011-12-19 | 2013-02-04 |
| CELESTIAL SECURITIES LIMITED | Rep | Dealing in securities | 2005-11-23 | 2011-09-01 |
| Tung Shing Securities (Brokers) Limited | Rep | Advising on corporate finance | - | 2004-01-09 |
| Rep | Advising on securities | - | 2004-01-09 | |
| Rep | Asset management | - | 2004-01-09 | |
| Rep | Dealing in securities | - | 2005-11-21 |