| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| OKACHI INVESTMENTS (HK) COMPANY LIMITED | Rep | Dealing in securities | 2013-02-01 | 2017-06-02 |
| TANG PING KONG LIMITED | Rep | Dealing in securities | 2010-08-04 | 2013-02-01 |
| WINGS SECURITIES (HK) LIMITED | Rep | Dealing in securities | 2003-06-03 | 2010-08-02 |
| DELTA ASIA SECURITIES LIMITED | Rep | Advising on corporate finance | - | 2003-04-30 |
| Rep | Advising on securities | - | 2003-04-30 | |
| Rep | Asset management | - | 2003-04-30 | |
| Rep | Providing automated trading services | - | 2003-04-30 | |
| Rep | Dealing in securities | - | 2003-04-30 |