| GUOSEN SECURITIES (HK) CAPITAL COMPANY LIMITED | Rep | Advising on corporate finance | 2011-05-20 | 2013-01-07 |
| Rep | Dealing in securities | 2011-05-20 | 2013-01-07 |
| CENTRAL CHINA INTERNATIONAL CAPITAL LIMITED | Rep | Advising on corporate finance | 2010-01-06 | 2011-05-12 |
| SHENWAN HONGYUAN CAPITAL (H.K.) LIMITED | Rep | Advising on securities | 2008-06-23 | 2009-05-11 |
| Rep | Dealing in securities | 2008-06-23 | 2009-05-11 |
| Rep | Advising on corporate finance | 2008-05-29 | 2009-05-11 |
| Joy Silver Limited | Rep | Advising on corporate finance | 2006-04-19 | 2008-05-14 |
| CSC ASIA LIMITED | Rep | Advising on corporate finance | 2004-06-23 | 2006-03-31 |
| SOUTH CHINA CAPITAL LIMITED | Rep | Advising on corporate finance | 2003-06-11 | 2004-01-16 |