Assembled Roving for Spray-up
Low static, excellent dispersion and fast wet-out — mainstream choice for bathtub and FRP boat hulls.
View more about Assembled Roving for Spray-up
FIBERGLASS COMPOSITE MATERIALS SINCE 1996
Fiberglass Materials Built for
Industrial Performance
Dongyu develops and manufactures fiberglass reinforcement, multiaxial materials and high-temperature fabrics for customers worldwide.
WHO WE ARE
Changshu Dongyu Insulated Compound Materials Co., Ltd. supplies fiberglass roving, yarn, chopped strand mat, combo mat, multiaxial fabric, high-temperature fabric and related FRP products.
More about us
Application areas
OUR PRODUCTS
Fiberglass Product Families
E-Glass Chopped Strand Mat
General-purpose reinforcement for hand lay-up and filament winding, available in powder and emulsion binder systems.
View more about E-Glass Chopped Strand Mat
E-Glass Woven Roving
Bidirectional reinforcement, 200–1600 g/m², width up to 3000 mm, for hand lay-up and robot processes.
View more about E-Glass Woven Roving
High Silica Fabric (HS Fabrics)
Silica content ≥96%, continuous working temperature 1000℃ — outstanding cost-performance for high-temperature industries.
View more about High Silica Fabric (HS Fabrics)
Medium Silica Fabric (MS Fabrics)
Silica content 70%±5%, 800℃ continuous service, higher residual strength and abrasion resistance than HS fabric.
View more about Medium Silica Fabric (MS Fabrics)STATISTICS
Annual results
- FOUNDED SINCE 1996
- 30+ Years
- OVERSEAS MARKET COVERAGE
- 80+ Countries
- MONTHLY CSM CAPACITY
- 1500 t
- QUALITY CREDENTIALS
- ISO / DNV
Quality is our primary productive force.
We uphold quality standards, rigorously control glass fiber production processes, and deliver high-performance composite solutions to customers with reliable, consistent quality.
OUR INFORMATION
Latest news
2026 China Composite Expo
We will attend this show in Shanghai. Find us at Booth Hall 7-7H29 for product consultation.
READ MORE
Capacity Expansion | Dongyu’s New Fiberglass Production Lines Officially Put into Operation
Dongyu has launched intelligent fiberglass production lines covering drawing, twisting and chopped-strand-mat forming.
READ MORE
Dongyu has been honored with the “Strategic Partner” award from China Jushi
Dongyu has again been recognized as a strategic partner and one of China Jushi’s Top 30 partners.
READ MORE
Welcome to our booth and let us explore the wonderful world of the exhibition with you
Meet DYF Group at Booth 5F10 in Hall 5 and explore new composite-material opportunities.
READ MORE
2023 JEC World — Welcome to Visit Our Booth E45
DYF Group invited partners to visit Booth E45 in Hall 6 at JEC World Paris 2023.
READ MORE
DYF Rewarded as 2021 & 2022 Long-Term Stable Partner of China Jushi Group
DYF was recognized as a long-term stable partner of China Jushi Group for 2021 and 2022.
READ MORELet’s Discuss Your Project
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.
