| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| HOU TAK SECURITIES LIMITED | Rep | Dealing in securities | 2010-12-29 | 2013-04-03 |
| Rep | Dealing in securities | 2009-12-03 | 2010-11-08 | |
| CELESTIAL COMMODITIES LIMITED | Rep | Dealing in futures contracts | 2008-06-06 | 2009-07-13 |
| CELESTIAL SECURITIES LIMITED | Rep | Dealing in securities | 2008-06-06 | 2009-07-13 |
| CITIC Securities Brokerage (HK) Limited | Rep | Dealing in securities | 2005-09-27 | 2007-07-09 |
| EAST ASIA SECURITIES COMPANY LIMITED | Rep | Providing automated trading services | - | 2003-08-26 |
| Rep | Advising on corporate finance | - | 2003-12-22 | |
| Rep | Advising on securities | - | 2003-12-22 | |
| Rep | Asset management | - | 2003-12-22 | |
| Rep | Dealing in securities | - | 2005-09-27 |