- Annual Report 2012 00332 - YUANHENG GAS
- Interim Report 2012 00332 - YUANHENG GAS
- Annual Report 2011 00332 - YUANHENG GAS
- Interim Report 2011 00332 - YUANHENG GAS
- Annual Report 2010 00332 - YUANHENG GAS
- INTERIM REPORT 2010 00332 - YUANHENG GAS
- ANNUAL REPORT 2009 00332 - YUANHENG GAS
- INTERIM REPORT 2009 00332 - YUANHENG GAS