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EAC海关联盟认证
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ISO9001
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Quality Management System Certificate
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Creative fund certificate
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2010 Patent of invention prize certificate of Changsha
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2011 Patent of invention prize certificate of Changsha
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Technical innovation price
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2012 patent of invention prize certificate of Changsha
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Self-owned brand prize certificate
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Work safety standardization certificate
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Innovation Fund for Small Technology-based Firms certificate
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The national new products certificate
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Changsha science and technology planning projects certificate
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