| PHILLIP SECURITIES (HONG KONG) LIMITED | Rep | 就證券提供意見 | 2019-02-26 | - |
| Rep | 證券交易 | 2019-02-26 | - |
| SHANGGU ASSET MANAGEMENT (ASIA) LIMITED | RO | 就證券提供意見 | 2017-06-16 | 2019-01-31 |
| RO | 提供資產管理 | 2017-06-16 | 2019-01-31 |
| RO | 證券交易 | 2017-06-16 | 2019-01-31 |
| iBest Consultants Limited | Rep | 提供資產管理 | 2016-06-10 | 2017-06-11 |
| HAITONG INTERNATIONAL SECURITIES COMPANY LIMITED | Rep | 就證券提供意見 | 2014-05-02 | 2017-06-11 |
| Rep | 證券交易 | 2014-05-02 | 2017-06-11 |
| Rep | 證券交易 | 2009-05-04 | 2009-10-12 |
| iBest Consultants Limited | Rep | 證券交易 | 2009-02-02 | 2017-06-11 |
| Rep | 就證券提供意見 | 2008-07-25 | 2017-06-11 |
| T G HOLBORN (HK) LIMITED | Rep | 就證券提供意見 | 2004-06-04 | 2008-07-02 |