| Adamas Asset Management (HK) Limited | RO | 提供資產管理 | 2020-11-27 | 2021-01-05 |
| Rep | 提供資產管理 | 2020-10-09 | 2020-11-27 |
| SMART FULLRICH CAPITAL LIMITED | RO | 就證券提供意見 | 2019-09-25 | 2020-04-13 |
| RO | 提供資產管理 | 2019-09-25 | 2020-04-13 |
| RO | 證券交易 | 2019-09-25 | 2020-04-13 |
| CHUNG LEE SECURITIES COMPANY LIMITED | RO | 證券交易 | 2017-02-09 | 2018-01-16 |
| Rep | 證券交易 | 2017-02-01 | 2017-02-09 |
| Manulife Investment Management (Hong Kong) Limited | RO | 證券交易 | 2016-03-02 | 2017-01-06 |
| IPP Financial Advisers Limited | RO | 就證券提供意見 | 2007-04-12 | 2008-04-14 |
| RO | 證券交易 | 2007-04-12 | 2008-04-14 |
| PACIFIC WORLD ASSET MANAGEMENT LIMITED | Rep | 就證券提供意見 | 2004-03-30 | 2005-07-16 |
| Rep | 提供資產管理 | 2004-03-30 | 2005-07-16 |