Certification
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Certification
  • Sanyang Specialized and Innovative Small and Medium-Sized Enterprises
  • Sanyang Aaa Level Trustworthy Supplier Unit
  • Sanyang Certificate of Marine Product
  • Sanyang Certificate of Marine Product
  • Sanyang Certificate for Propeller Shaft 
  • Sanyang Certificate for Rudder Stock 
  • Sanyang Certificate for Propeller Shaft
  • Sanyang Certificate of Marine Product
  • Sanyang Utility Model Patent Certificate
  • Sanyang Utility Model Patent Certificate
  • Sanyang Utility Model Patent Certificate
  • Sanyang Utility Model Patent Certificate
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