| Regal Portfolio Management Limited (HK) | RO | Asset management | 2007-03-06 | 2008-04-01 |
| ASIA INVESTMENT MANAGEMENT LIMITED | RO | Advising on corporate finance | 2005-01-17 | 2007-03-06 |
| RO | Advising on securities | 2005-01-17 | 2007-03-06 |
| RO | Asset management | 2005-01-17 | 2007-03-06 |
| ASIA INVESTMENT RESEARCH LIMITED | RO | Advising on corporate finance | 2005-01-17 | 2005-03-15 |
| RO | Advising on securities | 2005-01-17 | 2007-03-06 |
| RO | Asset management | 2005-01-17 | 2007-03-06 |
| ASIA INVESTMENT MANAGEMENT LIMITED | Rep | Advising on corporate finance | - | 2005-01-17 |
| Rep | Advising on securities | - | 2005-01-17 |
| Rep | Asset management | - | 2005-01-17 |
| PIPER JAFFRAY ASIA LIMITED | Rep | Advising on corporate finance | - | 2003-11-12 |
| Rep | Advising on securities | - | 2003-11-12 |
| Rep | Asset management | - | 2003-11-12 |