| Bay Area Capital Partners Limited | RO | 就证券提供意见 | 2021-11-04 | - |
| RO | 提供资产管理 | 2021-11-04 | - |
| BMI FUNDS MANAGEMENT LIMITED | Rep | 就证券提供意见 | 2020-04-16 | 2020-11-17 |
| Rep | 提供资产管理 | 2020-04-16 | 2020-11-17 |
| Rep | 证券交易 | 2020-04-16 | 2020-11-17 |
| BMI Securities Limited | RO | 证券交易 | 2020-04-16 | 2020-11-17 |
| BMI FUNDS MANAGEMENT LIMITED | RO | 提供资产管理 | 2018-11-05 | 2020-04-16 |
| RO | 就证券提供意见 | 2016-04-08 | 2020-04-16 |
| RO | 证券交易 | 2016-04-08 | 2020-04-16 |
| Rep | 提供资产管理 | 2015-01-19 | 2018-11-05 |
| BMI Securities Limited | Rep | 证券交易 | 2014-12-15 | 2020-04-16 |
| BMI FUNDS MANAGEMENT LIMITED | Rep | 证券交易 | 2010-10-21 | 2016-04-08 |
| Rep | 就证券提供意见 | 2009-05-13 | 2016-04-08 |
| KARL THOMSON INVESTMENT CONSULTANTS LIMITED | Rep | 就证券提供意见 | 2003-04-01 | 2009-04-30 |