ISO 9001 Quality Management System Certificate
Quality-management-system certificate for fiberglass and FRP product production and sales.
ABOUT DONGYU
Quality Assurance
Certification and product-inspection documents published in Dongyu's company archive.DOCUMENT ARCHIVE
Certification & Inspection Documents
Select a document to view the full original image from the legacy Dongyu website.
DNV Type Approval Certificate
Type-approval document for E-glass chopped strand mat.
CSZJ Product Quality Inspection Report
Product inspection report published in the Dongyu quality archive.
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OUR VALUE
Professional Manufacturer of
Fiberglass & Composite Materials
DYF’s major products are: fiberglass roving, fiberglass yarn, chopped strand mat, combo mat, multiaxial fabric, FRP products and fiberglass fire blanket.
Quality Assurance
We deliver stable and dependable quality for all fiberglass and composite material series products.
Custom Solutions
We provide tailored manufacturing services to satisfy various complex and individualized project demands.
Technical Support
We supply comprehensive professional technical guidance together with timely and efficient after-sales customer support.
