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


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