| Capital Management Limited (HK) | RO | 提供資產管理 | 2022-10-10 | 2022-11-30 |
| Dingxin (Securities) Limited | RO | 就證券提供意見 | 2019-12-18 | 2021-10-31 |
| RO | 證券交易 | 2019-12-18 | 2021-10-31 |
| RaffAello Securities (HK) Limited | RO | 就證券提供意見 | 2018-09-14 | 2018-12-02 |
| RO | 證券交易 | 2018-08-14 | 2018-12-02 |
| RO | 就證券提供意見 | 2014-03-28 | 2018-04-13 |
| Rep | 證券交易 | 2013-10-11 | 2018-04-13 |
| KINGSWAY FINANCIAL SERVICES GROUP LIMITED | RO | 就證券提供意見 | 2008-10-29 | 2013-04-10 |
| Rep | 就證券提供意見 | 2008-01-04 | 2008-10-29 |
| PIPER JAFFRAY ASIA SECURITIES LIMITED | Rep | 就證券提供意見 | 2006-10-03 | 2007-12-01 |
| SINOPAC SECURITIES (ASIA) LIMITED | Rep | 就機構融資提供意見 | - | 2004-01-20 |
| Rep | 提供資產管理 | - | 2004-01-20 |
| Rep | 就證券提供意見 | - | 2006-10-01 |