| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| BOCI SECURITIES LIMITED | Rep | Advising on securities | 2009-11-04 | 2010-04-24 |
| Rep | Dealing in securities | 2009-11-04 | 2010-04-24 | |
| Tung Shing Futures (Brokers) Limited | Rep | Dealing in futures contracts | 2005-04-04 | 2007-02-05 |
| Tung Shing Securities (Brokers) Limited | Rep | Dealing in securities | 2005-02-07 | 2007-02-05 |