| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| H&Y SECURITIES COMPANY LIMITED | RO | Advising on securities | 2020-07-22 | 2024-02-05 |
| RO | Dealing in securities | 2020-05-25 | 2024-02-05 | |
| Rep | Dealing in securities | 2020-05-12 | 2020-05-25 | |
| HK NOBLE SKY TREASURE SECURITIES LIMITED | RO | Dealing in securities | 2013-03-01 | 2020-05-07 |
| AMBITION SECURITIES CO. LIMITED | RO | Dealing in securities | 2010-12-28 | 2012-07-05 |
| CMB International Capital Holdings Corporation Limited | RO | Advising on corporate finance | 2004-07-20 | 2010-05-08 |
| RO | Dealing in securities | 2003-12-17 | 2010-05-08 | |
| SELINA & CO. LIMITED (HK) | RO | Dealing in securities | 2003-08-12 | 2003-12-17 |