| Kima Capital Management Limited | Rep | 提供資產管理 | 2012-07-11 | 2013-04-30 |
| SAMSUNG SECURITIES (ASIA) LIMITED | Rep | 證券交易 | 2011-10-03 | 2012-02-03 |
| Segantii Capital Management Limited | RO | 提供資產管理 | 2010-08-17 | 2011-06-30 |
| Rep | 提供資產管理 | 2010-07-29 | 2010-08-17 |
| EFG Asset Management (HK) Limited | RO | 就證券提供意見 | 2008-06-06 | 2010-06-30 |
| RO | 提供資產管理 | 2008-06-06 | 2010-06-30 |
| Deltroit (Hong Kong) Limited | Rep | 提供資產管理 | 2005-12-12 | 2006-05-31 |
| Rep | 就證券提供意見 | 2005-09-08 | 2006-05-31 |
| Credit Suisse (Hong Kong) Limited | Rep | 證券交易 | 2005-04-14 | 2005-06-06 |
| Credit Suisse Securities (Hong Kong) Limited | Rep | 證券交易 | 2005-04-14 | 2005-06-06 |
| Credit Suisse (Hong Kong) Limited | Rep | 就證券提供意見 | 2003-04-24 | 2005-06-06 |