| Grandbay Capital Limited | RO | 就證券提供意見 | 2020-11-25 | 2021-12-12 |
| RO | 提供資產管理 | 2020-11-25 | 2021-12-12 |
| Grandbay Securities Limited | RO | 證券交易 | 2020-08-28 | 2021-12-12 |
| Rep | 證券交易 | 2020-07-06 | 2020-08-28 |
| North Beta International Securities Limited | RO | 就證券提供意見 | 2015-11-06 | 2020-07-03 |
| RO | 證券交易 | 2012-04-27 | 2020-07-03 |
| Rep | 證券交易 | 2012-03-22 | 2012-04-27 |
| KARL-THOMSON SECURITIES COMPANY LIMITED | RO | 證券交易 | 2009-09-10 | 2012-03-09 |
| KARL THOMSON FINANCE LIMITED | Rep | 提供證券保證金融資 | - | 2012-03-09 |
| KARL-THOMSON SECURITIES COMPANY LIMITED | Rep | 就機構融資提供意見 | - | 2004-05-10 |
| Rep | 就證券提供意見 | - | 2004-05-10 |
| Rep | 提供資產管理 | - | 2004-05-10 |
| Rep | 提供自動化交易服務 | - | 2004-05-10 |
| Rep | 證券交易 | - | 2009-09-10 |