- 2017 INTERIM REPORT 00332 - YUANHENG GAS
- ANNUAL REPORT 2016 00332 - YUANHENG GAS
- 2016 INTERIM REPORT 00332 - YUANHENG GAS
- ANNUAL REPORT 2015 00332 - YUANHENG GAS
- 2015 INTERIM REPORT 00332 - YUANHENG GAS
- ANNUAL REPORT 2014 00332 - YUANHENG GAS
- Interim Report 2014 00332 - YUANHENG GAS
- Annual Report 2013 00332 - YUANHENG GAS