| M Science Hong Kong Limited | RO | 就證券提供意見 | 2021-11-04 | - |
| Seazen Resources Asset Management Limited | RO | 就證券提供意見 | 2020-02-12 | 2020-11-16 |
| RO | 提供資產管理 | 2020-02-12 | 2020-11-16 |
| RO | 證券交易 | 2020-02-12 | 2020-11-16 |
| Seazen Resources Securities Limited | RO | 證券交易 | 2020-02-12 | 2020-11-16 |
| Seazen Resources Asset Management Limited | Rep | 就證券提供意見 | 2019-11-25 | 2020-02-12 |
| Rep | 提供資產管理 | 2019-11-25 | 2020-02-12 |
| Rep | 證券交易 | 2019-11-25 | 2020-02-12 |
| Seazen Resources Securities Limited | Rep | 證券交易 | 2019-11-25 | 2020-02-12 |
| MASON INVESTMENT MANAGEMENT LIMITED | Rep | 證券交易 | 2019-06-03 | 2019-10-31 |
| RO | 提供資產管理 | 2018-11-21 | 2019-10-31 |
| Rep | 提供資產管理 | 2018-09-06 | 2018-11-21 |
| Rep | 就證券提供意見 | 2018-09-06 | 2019-10-31 |
| Mason Securities Limited | Rep | 證券交易 | 2018-09-06 | 2019-10-31 |
| VC BROKERAGE LIMITED | Rep | 就證券提供意見 | 2014-05-13 | 2018-08-31 |
| Rep | 證券交易 | 2014-05-13 | 2018-08-31 |
| VC CAPITAL LIMITED | Rep | 就機構融資提供意見 | 2014-05-13 | 2018-08-31 |
| Ethk Funds Limited | RO | 提供資產管理 | 2010-06-25 | 2018-08-31 |
| AMS CAPITAL LIMITED (d2012-07-13) | RO | 就證券提供意見 | 2008-02-29 | 2009-10-30 |
| RO | 提供資產管理 | 2008-02-29 | 2009-10-30 |
| Rep | 就證券提供意見 | 2007-12-07 | 2008-02-29 |
| Rep | 提供資產管理 | 2007-12-07 | 2008-02-29 |
| Allianz Global Investors Asia Pacific Limited (SFC:AOA171) | Rep | 就證券提供意見 | 2007-02-07 | 2007-08-01 |
| Rep | 提供資產管理 | 2007-02-07 | 2007-08-01 |
| Allianz Global Investors Hong Kong Limited | Rep | 就證券提供意見 | 2004-02-02 | 2007-08-01 |
| Rep | 提供資產管理 | 2004-02-02 | 2007-08-01 |