| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Rich Union Securities (H.K.) Limited | Rep | Dealing in securities | 2012-07-03 | 2022-08-15 |
| Yuanta Asia Investment (Hong Kong) Limited | Rep | Dealing in securities | 2008-04-17 | 2012-06-01 |
| Rep | Dealing in futures contracts | 2007-01-16 | 2007-11-09 | |
| Rep | Dealing in securities | 2005-12-30 | 2007-11-09 |