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