| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| XinKong International Securities Limited | Rep | Dealing in securities | 2014-11-21 | 2015-09-01 |
| STOCKWELL SECURITIES LIMITED | Rep | Dealing in securities | 2008-04-11 | 2012-04-24 |
| Yuanta Asia Investment (Hong Kong) Limited | Rep | Dealing in securities | 2005-05-05 | 2008-04-01 |
| 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 | - | 2005-05-03 |