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ANNUAL REPORT 2015 00332 - YUANHENG GAS
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2015 INTERIM REPORT 00332 - YUANHENG GAS
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ANNUAL REPORT 2014 00332 - YUANHENG GAS
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Interim Report 2014 00332 - YUANHENG GAS
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Annual Report 2013 00332 - YUANHENG GAS
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Interim Report 2013 00332 - YUANHENG GAS
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Annual Report 2012 00332 - YUANHENG GAS
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Interim Report 2012 00332 - YUANHENG GAS