| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| CITIC Securities Brokerage (HK) Limited | Rep | Dealing in securities | 2019-10-28 | 2022-07-04 |
| Ark Securities (Hong Kong) Limited | Rep | Dealing in securities | 2013-02-28 | 2019-10-05 |
| Well Link Securities Limited | Rep | Dealing in securities | 2012-04-02 | 2012-10-19 |
| Public Securities Limited | Rep | Dealing in securities | 2010-06-28 | 2012-03-17 |