| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| Tung Shing Futures (Brokers) Limited | Rep | Dealing in futures contracts | 2009-11-20 | 2010-08-01 |
| Tung Shing Securities (Brokers) Limited | Rep | Dealing in securities | 2009-11-20 | 2010-08-01 |
| DBS VICKERS (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2007-10-08 | 2008-09-27 |
| Rep | Dealing in securities | 2007-10-08 | 2008-09-27 | |
| CELESTIAL COMMODITIES LIMITED | Rep | Dealing in futures contracts | 2005-08-09 | 2007-02-01 |
| CELESTIAL SECURITIES LIMITED | Rep | Dealing in securities | 2005-08-09 | 2007-02-01 |