| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Yuanta Securities (Hong Kong) Company Limited | Rep | Dealing in futures contracts | 2015-10-30 | - |
| Rep | Leveraged foreign exchange trading | 2015-10-30 | 2016-10-31 | |
| Rep | Advising on securities | 2015-10-13 | - | |
| Rep | Dealing in securities | 2015-10-13 | - | |
| Rich Union Securities (H.K.) Limited | Rep | Advising on securities | 2007-08-22 | 2009-01-05 |
| Rep | Dealing in securities | 2007-08-22 | 2009-01-05 |