| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Asia Joyful Limited | RO | Advising on securities | 2020-01-31 | - |
| RO | Asset management | 2016-09-20 | - | |
| REDFORD CORPORATE FINANCE LIMITED | RO | Advising on corporate finance | 2012-05-04 | 2016-09-15 |
| Redford Asset Management Limited | RO | Advising on securities | 2011-03-01 | 2016-09-15 |
| RO | Asset management | 2011-03-01 | 2016-09-15 | |
| SPDB International Holdings Limited | Rep | Advising on securities | 2010-02-01 | 2011-02-07 |
| Rep | Asset management | 2010-02-01 | 2011-02-07 | |
| SINO-CEEF Capital Management Company Limited | RO | Advising on securities | 2008-04-17 | 2009-08-01 |
| RO | Asset management | 2008-04-17 | 2009-08-01 | |
| WAVE RIDERS INVESTMENT MANAGEMENT LIMITED | RO | Advising on futures contracts | 2006-05-19 | 2007-09-18 |
| RO | Advising on securities | 2006-05-19 | 2007-09-18 | |
| RO | Asset management | 2006-05-19 | 2007-09-18 |