| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Yuanta Securities (Hong Kong) Company Limited | Rep | Advising on securities | 2022-10-13 | - |
| Rep | Dealing in futures contracts | 2022-10-13 | - | |
| Rep | Dealing in securities | 2022-09-01 | - | |
| Rich Union Securities (H.K.) Limited | Rep | Dealing in securities | 2012-07-03 | 2022-07-01 |
| Yuanta Asia Investment (Hong Kong) Limited | Rep | Leveraged foreign exchange trading | 2009-03-04 | 2012-06-01 |
| Rep | Dealing in futures contracts | 2007-01-16 | 2012-06-01 | |
| Rep | Dealing in securities | 2005-04-11 | 2012-06-01 |