| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| XinKong International Securities Limited | Rep | Dealing in futures contracts | 2007-03-08 | 2007-09-01 |
| Vantum Securities and Futures Limited | Rep | Advising on futures contracts | - | 2004-09-16 |
| Rep | Asset management | - | 2004-09-16 | |
| Rep | Dealing in futures contracts | - | 2005-09-12 |