B-5 flame retardant glass fiber prepreg delivers UL94 V0 fire safety, 300MPa tensile strength & 15-year corrosion resistance. Trusted by 20+ rail OEMs for lightweight interior and structural components—request ROI analysis report.
A-19 carbon fiber jacquard prepreg delivers 98% pattern integrity post-molding, 1800MPa tensile strength, and UV-resistant 8+ year durability. Trusted by 200+ automotive & sports OEMs. Request Technical Demo.
A-18 high-temp unidirectional carbon fiber prepreg delivers 85% mechanical retention after 1000h at 300°C, 2100MPa strength at 250°C. ISO 9001 certified, trusted by 120+ aerospace & industrial OEMs. Request Technical Demo.
UIN-36T UD carbon fiber prepreg delivers 28% higher tensile strength vs. 30T, 48% weight reduction vs. aluminum, and 88% fatigue retention. Trusted by 200+ aerospace & automotive OEMs. Request Technical Demo.
A-16 UHN-46T UD carbon fiber prepreg delivers 46GPa modulus, 35% higher tensile strength vs. 30T, 50% weight reduction in aerospace parts, and AS9100-compliant performance. Trusted by 200+ aerospace & automotive OEMs. Request Technical Demo.
A-15 metal wire carbon fiber cloth prepreg delivers 12% higher shear strength, 30% better thermal conductivity, and salt-spray resistance >300h. Trusted by 200+ composites manufacturers for wind, auto, and marine applications. Request ROI Analysis Report.
Weihai Dushi Composite Materials Co., Ltd. is a leading composite material manufacturer specializing in R&D, production and sales of high-performance carbon fiber prepregs and fabrics. With a strong commitment to innovation and quality, we produce:
With an annual capacity of 6 million ㎡prepregs and 1.5 million ㎡ fabrics, our solutions serve global industries including: electronics, automotive, rail transit, aviation, sports, leisure, and industrial sectors.
Dushi offers you cost-effective composite material solutions with superior quality and competitive pricing.
12 years engaged in composite material production
More than 100 company employees
Factory with more than 10,000 square meters
The monthly output of prepreg is 600,000 square meters
Factory coverage area(m²)
With the most professional technical team and powerful productivity in the industry
Stringent quality control,professional quality inspection and testing equipment
Professional technicians and service teams are available 24/7 for rapid reponse
Diverse customization sercices 24/7 customized solutions rapid proofing and fast delivery
Please Keep An Eye On The Developments Of Our Company
What's the ideal temperature for carbon fiber cloth application? Avoid resin failure & curing issues. Learn optimal ranges by resin type + pro tips. Download guide now.
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Discover why rolling carbon fiber cloth boosts adhesion by 30% and prevents defects like air bubbles and dry spots. Master the technique for flawless lamination.
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Understand the basics of prepreg carbon fiber curing Prepreg carbon fiber is a game changing material for high performance projects because it comes pre impregnated with resin ready to bond and harden. But curing it the right way is what unlocks its...
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Struggling with wrinkles or resin pooling in carbon fiber layups? Learn proven techniques for uniform tension application—boost strength, reduce defects, and improve finish. Download the free checklist now.
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Discover why surface preparation is critical for carbon fiber cloth adhesion, performance, and durability. Avoid defects and extend composite life. Learn more.
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Struggling with fraying, delamination, or hazardous dust? Discover proven tungsten, diamond, ultrasonic, and CO₂ laser methods for clean, safe carbon fiber cuts. Get expert techniques now.
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