| Organisation | Role | Activity | From | Until |
|---|---|---|---|---|
| CGS International Securities Hong Kong Limited | Rep | Advising on securities | 2020-02-10 | - |
| Rep | Dealing in securities | 2018-04-06 | - | |
| DBS VICKERS (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2014-03-03 | 2018-03-20 |
| Rep | Dealing in securities | 2014-03-03 | 2018-03-20 | |
| CHINA EVERBRIGHT FOREX & FUTURES (HK) LIMITED | Rep | Dealing in futures contracts | 2012-08-28 | 2014-02-06 |
| CHINA EVERBRIGHT SECURITIES (HK) LIMITED | Rep | Dealing in securities | 2011-05-18 | 2014-02-06 |
| MIZUHO SECURITIES ASIA LIMITED | Rep | Dealing in securities | 2008-12-15 | 2011-03-07 |
| Merrill Lynch (Asia Pacific) Limited | Rep | Dealing in securities | 2007-08-06 | 2008-12-09 |
| MERRILL LYNCH FUTURES (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2007-08-06 | 2008-12-09 |