| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| KINGSTON FUTURES LIMITED | Rep | Dealing in futures contracts | 2015-06-25 | 2017-01-27 |
| KINGSTON SECURITIES LIMITED | Rep | Dealing in securities | 2015-06-25 | 2017-01-27 |
| YU ON SECURITIES COMPANY LIMITED | Rep | Dealing in futures contracts | 2010-06-08 | 2013-01-01 |
| Rep | Dealing in securities | 2007-07-19 | 2013-01-01 |