| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| KARL-THOMSON SECURITIES COMPANY LIMITED | Rep | Dealing in securities | 2010-03-05 | 2019-12-01 |
| TAI SHING STOCK INVESTMENT CO. LIMITED | Rep | Advising on securities | 2009-06-26 | 2010-02-03 |
| OnePlatform Asset Management Limited | Rep | Advising on securities | 2007-05-18 | 2009-06-16 |