| Wynson Asset Management Limited | RO | Advising on securities | 2019-01-02 | - |
| RO | Asset management | 2019-01-02 | - |
| Easy Fund Management Company Limited | RO | Advising on securities | 2017-10-30 | 2018-12-15 |
| RO | Asset management | 2017-10-30 | 2018-12-15 |
| KGI ASIA LIMITED | Rep | Advising on securities | 2010-10-15 | 2017-03-06 |
| Rep | Dealing in securities | 2010-10-15 | 2017-03-06 |
| KGI FUTURES (HONG KONG) LIMITED | Rep | Dealing in futures contracts | 2010-10-15 | 2017-03-06 |
| PHILLIP SECURITIES (HONG KONG) LIMITED | Rep | Advising on securities | 2009-03-27 | 2010-10-01 |
| PHILLIP COMMODITIES (HK) LIMITED | Rep | Dealing in futures contracts | 2008-05-16 | 2010-10-01 |
| PHILLIP SECURITIES (HONG KONG) LIMITED | Rep | Dealing in securities | 2006-07-26 | 2010-10-01 |
| Quam Securities Limited | Rep | Dealing in securities | 2005-02-05 | 2006-07-06 |
| PHILLIP SECURITIES (HONG KONG) LIMITED | Rep | Dealing in securities | 2003-11-18 | 2004-12-28 |
| T G HOLBORN (HK) LIMITED | Rep | Advising on corporate finance | 2003-04-01 | 2003-04-17 |
| Rep | Advising on securities | 2003-04-01 | 2003-04-17 |