| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Diamond Dragon Advisors Limited | Rep | Dealing in securities | 2015-05-15 | 2016-10-15 |
| LEHMAN BROTHERS SECURITIES ASIA LIMITED | Rep | Dealing in securities | 2007-05-22 | 2008-04-17 |
| LEHMAN BROTHERS ASIA LIMITED | Rep | Dealing in futures contracts | 2006-08-29 | 2008-04-17 |
| Rep | Dealing in securities | 2006-08-29 | 2008-04-17 | |
| LEHMAN BROTHERS FUTURES ASIA LIMITED | Rep | Dealing in futures contracts | 2006-08-29 | 2008-04-17 |