| Nexus Investment Advisors Limited | Rep | 就證券提供意見 | 2019-03-11 | 2021-04-20 |
| Rep | 提供資產管理 | 2019-03-11 | 2021-04-20 |
| RO | 就證券提供意見 | 2014-09-26 | 2019-03-11 |
| RO | 提供資產管理 | 2014-09-26 | 2019-03-11 |
| Rep | 提供資產管理 | 2014-07-02 | 2014-09-26 |
| Samena Capital Hong Kong Limited | RO | 就證券提供意見 | 2011-02-16 | 2014-03-31 |
| RO | 提供資產管理 | 2011-02-16 | 2014-03-31 |
| Rep | 就證券提供意見 | 2010-01-19 | 2011-02-16 |
| Rep | 提供資產管理 | 2010-01-19 | 2011-02-16 |
| SPARX Asia Investment Advisors Limited | Rep | 就證券提供意見 | 2007-05-01 | 2010-01-06 |
| Rep | 提供資產管理 | 2007-05-01 | 2010-01-06 |
| RO | 就證券提供意見 | 2007-01-22 | 2007-05-01 |
| RO | 提供資產管理 | 2007-01-22 | 2007-05-01 |
| Rep | 就證券提供意見 | 2006-12-13 | 2007-01-22 |
| Rep | 提供資產管理 | 2006-12-13 | 2007-01-22 |
| TRIGON ADVISERS (HONG KONG) LIMITED | RO | 就證券提供意見 | - | 2006-11-23 |
| RO | 提供資產管理 | - | 2006-11-23 |