- ANNUAL REPORT 2019 00332 - YUANHENG GAS
- 2019 INTERIM REPORT 00332 - YUANHENG GAS
- Environmental, social and governance report 2017/18 00332 - YUANHENG GAS
- ANNUAL REPORT 2018 00332 - YUANHENG GAS
- 2018 INTERIM REPORT 00332 - YUANHENG GAS
- Environmental, social and governance reports 2016/17 00332 - YUANHENG GAS
- ANNUAL REPORT 2017 00332 - YUANHENG GAS
- 2017 INTERIM REPORT 00332 - YUANHENG GAS