| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Taiping Securities (HK) Co Limited | Rep | Dealing in securities | 2007-06-26 | 2024-02-01 |
| TSUN CHI YUEN SECURITIES COMPANY LIMITED | Rep | Dealing in securities | 2006-07-28 | 2007-06-23 |
| YF SECURITIES COMPANY LIMITED | Rep | Dealing in securities | 2004-02-11 | 2006-07-22 |