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Science and technology are primary productive forces

Regular Announcement

28 2012-03

2012 Financial Statements and Audit Report
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28 2012-03

2012 Annual Report of Independent Directors
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28 2012-03

2012 Annual Report of Independent Directors
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28 2012-03

2012 Annual Report Summary
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26 2012-03

Double Star New Material: Special Assurance Report on the Annual Use of the Company's Raised Capital (as of December 31, 2011)
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26 2012-03

Double Star New Material: Notice on Holding the 2011 Online Performance Presentation Meeting
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26 2012-03

Double star new material: special description of non operating capital occupation and other related capital transactions in 2011
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26 2012-03

Shuangxing New Material: Internal Control Assurance Report of the Company on December 31, 2011
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