| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| VL ASSET MANAGEMENT LIMITED | RO | Asset management | 2009-04-15 | - |
| RAMIUS ASIA LTD. | RO | Asset management | 2008-07-16 | 2009-01-31 |
| Rep | Asset management | 2008-06-19 | 2008-07-16 | |
| QUAM ASSET MANAGEMENT LIMITED | RO | Asset management | 2004-12-22 | 2008-04-11 |
| CHINA TONGHAI (IA) LIMITED | RO | Advising on securities | 2003-04-01 | 2007-01-15 |
| QUAM ASSET MANAGEMENT LIMITED | RO | Advising on securities | 2003-04-01 | 2008-04-11 |