| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| ABCI Securities Company Limited | Rep | Dealing in securities | 2009-10-28 | - |
| Tung Shing Futures (Brokers) Limited | Rep | Dealing in futures contracts | 2003-06-07 | 2009-10-19 |
| Tung Shing Securities (Brokers) Limited | Rep | Dealing in securities | 2003-04-24 | 2009-10-19 |