| Lego Asset Management Limited | Rep | 就證券提供意見 | 2019-03-15 | 2020-02-20 |
| Rep | 提供資產管理 | 2019-03-15 | 2020-02-20 |
| QUAM ASSET MANAGEMENT LIMITED | Rep | 提供資產管理 | 2018-06-14 | 2018-07-28 |
| Rep | 就證券提供意見 | 2018-05-14 | 2018-07-28 |
| China Securities (International) Brokerage Company Limited | Rep | 就證券提供意見 | 2016-01-04 | 2018-02-10 |
| Quam Securities Limited | RO | 就證券提供意見 | 2013-06-14 | 2015-12-18 |
| Rep | 就證券提供意見 | 2012-06-29 | 2013-06-14 |
| MUFG Securities Asia Limited | Rep | 就證券提供意見 | 2010-12-31 | 2011-10-05 |
| Rep | 證券交易 | 2010-12-31 | 2011-10-05 |
| MUSHK Limited | Rep | 證券交易 | 2009-12-03 | 2010-12-30 |
| Rep | 就證券提供意見 | 2008-02-21 | 2010-12-30 |
| CGS International Securities Hong Kong Limited | Rep | 就證券提供意見 | 2007-07-03 | 2008-02-05 |
| SBI China Capital Securities Limited | Rep | 就證券提供意見 | 2006-04-03 | 2007-06-22 |
| CHINA EVERBRIGHT RESEARCH LIMITED | Rep | 就證券提供意見 | 2004-04-15 | 2005-08-25 |
| RIMC ADVISORS (HONG KONG) LIMITED | Rep | 就證券提供意見 | - | 2003-06-04 |
| Rep | 提供資產管理 | - | 2003-06-04 |