| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| China Galaxy International Securities (Hong Kong) Co., Limited | Rep | Dealing in securities | 2016-04-15 | 2025-09-20 |
| STOCKWELL SECURITIES LIMITED | Rep | Dealing in securities | 2013-06-04 | 2016-04-14 |
| CVP Securities Limited | Rep | Dealing in securities | 2010-03-29 | 2013-06-03 |
| Yuanta Asia Investment (Hong Kong) Limited | Rep | Dealing in securities | 2007-11-02 | 2010-03-24 |
| 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 | - | 2007-10-18 |