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Weihai Dushi Composite Materials Co., Ltd. logo
PUBLIC COMPANY PROFILE

Weihai Dushi Composite Materials Co., Ltd.

Public profile · Not claimed
Weihai Dushi Composite Materials Co., Ltd. · Weihai, Shandong, China

Weihai Dushi Composite Materials is a source-reviewed supplier profile for forged carbon fiber, fiberglass cloth, and carbon fiber fabric, with every search topic tied to company-published product or process evidence and separated from buyer-side verification requirements.

Weihai Dushi Composite Materials Co., Ltd. is a carbon-, glass- and aramid-fiber prepreg and textile supplier in Weihai, Shandong. Its current Chinese and English websites use the same company identity, telephone, email and No. 6 Jihai Street address. China Composites Expo lists WEIHAI DUSHI COMPOSITE MATERIALS CO., LTD. at booth 6A06 for carbon fiber, glass fiber, prepreg and related composite products, while Weihai Ecology and Environment Bureau records cover carbon-fiber prepreg production and expansion at the same site. Government records date the legal entity to August 9, 2021; an older CCE Net Show description says 2010. GetFRP uses the government legal-entity date and keeps the discrepancy visible for supplier clarification. This is an unclaimed, unverified public-source profile, not a completed factory audit or product approval.

Reviewed product search fit

The reviewed product and process scope makes this supplier relevant to buyer searches for forged carbon fiber, fiberglass cloth, carbon fiber fabric, and carbon fiber products. These phrases describe products or processes supported by the cited public scope; they do not expand the supplier's catalog or replace technical qualification.

forged carbon fiberfiberglass clothcarbon fiber fabriccarbon fiber products

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Legal entity
Weihai Dushi Composite Materials Co., Ltd.
Manufacturing since (company statement)
2021
Location
Weihai, Shandong, China
Business type
Fiber supplier
Company overview

This procurement profile is built for materials engineers and converters evaluating reinforcement form, sizing compatibility, package quality and downstream process stability. It organizes Weihai Dushi Composite Materials Co., Ltd.'s published products, processes, certificate references and official sources around the primary topic “Weihai Dushi Composite Materials Carbon Fiber Prepreg and Reinforcement Fabrics.” The objective is to help a buyer decide whether to open a controlled RFQ, not to turn a broad company catalog into an unsupported approval.

Weihai Dushi Composite Materials Co., Ltd. currently lists 6 product or service groups and 6 manufacturing or support capabilities in this reviewed record. The public scope indicates what to investigate, while the buyer remains responsible for drawings, design calculations, standards, current certificates, sample approval and order-specific commercial confirmation. Claims below are attributed to the attached source set unless GetFRP explicitly labels them as qualification guidance.

Products & services summary

The official catalog covers unidirectional and woven carbon-fiber prepregs, woven glass-fiber prepregs, aramid and carbon/aramid hybrid prepregs, decorative textiles and related composite parts. The English home page also lists woven, unidirectional and bidirectional carbon-fiber materials. A glass-fiber twill-prepreg page publishes 100, 200 and 400 g/m² options and says buyers may specify fiber areal weight. The company claims carbon prepreg from 10–1,000 g/m², glass prepreg up to 1,600 g/m², width up to 1.5 m and raw-material or resin-formula adjustment to the customer's process and performance needs. Treat these as catalog claims. A controlled RFQ should define fiber producer and grade, sizing, weave and count, areal-weight tolerance, resin system and content, volatiles, gel behavior, cure, storage temperature and life, minimum remaining life on arrival, roll build, splices, defects, lot COA, laminate tests and a representative processing trial. Public capacity statements are internally inconsistent: the home page says 6 million m²/year of prepreg and 1.5 million m²/year of fabric; the about-page advantage section says 4 million and 0.5 million m²/year; an older CCE description says 5 million and 0.6 million m²/year. A 2026 Weihai government approval records only an added 1.25 million m²/year high-end carbon-fiber prepreg project, not total current company capacity. GetFRP therefore leaves scaleTier unset. The website names high-tech, management-system and patent qualifications, but readable current certificate numbers, holder scope and validity were not obtained, so standardsSupported remains empty. The English website and contact channel support basic export communication, not completed qualification. Before a first order, confirm the contracting, payee and exporting entities, origin, batch traceability, packaging, temperature-controlled logistics where needed, destination chemical documents and applicable trade restrictions.

Products and supply scope

Unidirectional and woven carbon-fiber prepregsFiberglass cloth and woven glass-fiber prepregs in plain, twill and colored formatsPlain, twill, spread-tow, Jacquard, forged-pattern and decorative carbon-fiber prepregs and fabricsAramid-fiber prepregs and aramid/carbon hybrid-fabric prepregsLow-areal-weight, flame-retardant, low-temperature-cure and application-specific prepregs (company catalog)Related composite parts listed in the company catalog

Capabilities and services

Carbon-, glass- and hybrid-fabric impregnationResin coating, lamination and prepreg production documented in the government EIA recordUnidirectional, plain, twill, spread-tow, Jacquard and decorative textile conversionRaw-material and resin-formula adjustment for customer process and performance requirements (company claim)Carbon prepreg from 10–1,000 g/m², glass prepreg up to 1,600 g/m² and width up to 1.5 m (company claim)Sample confirmation, custom production and delivery support

Company-published certifications

National High-Tech Enterprise (company-published; request the current certificate number, scope and validity)Quality, environmental and occupational-health-and-safety management-system certifications (company-published; current certificate numbers and validity not obtained)Utility-model patent certificates (company-published; verify the specific technology and current legal status)
SOURCE-REVIEWED PROCUREMENT PROFILE

How to evaluate Weihai Dushi Composite Materials Co., Ltd. for Carbon Fiber Prepreg and Reinforcement Fabrics

Evaluate Weihai Dushi Composite Materials Co., Ltd. as a potential composite reinforcement supplier for forged carbon fiber, verify the public evidence and prepare a comparable RFQ.

Published product scope, translated into buying checks

Unidirectional and woven carbon-fiber prepregs

Weihai Dushi Composite Materials Co., Ltd. includes this product in its published supply scope. Treat that listing as a starting point: request the current datasheet or drawing, material and construction, available grades or dimensions, guaranteed properties, production site, quotation revision and evidence that represents the exact item offered.

Fiberglass cloth and woven glass-fiber prepregs in plain, twill and colored formats

For Fiberglass cloth and woven glass-fiber prepregs in plain, twill and colored formats, buyers should convert the catalog description into an acceptance specification. Confirm standard and custom options, raw-material system, critical tolerances, surface or finish, test basis, sample route, MOQ, lead time and packing. Any alternative proposed by Weihai Dushi Composite Materials Co., Ltd. should be identified explicitly rather than treated as automatically equivalent.

Manufacturing and service capability review

Carbon-, glass- and hybrid-fabric impregnation

Weihai Dushi Composite Materials Co., Ltd. publishes Carbon-, glass- and hybrid-fabric impregnation as part of its capability scope. Buyers should ask which site and equipment perform the work, the practical size or material limits, the normal control records and whether the proposed order uses the same route. Subcontracted stages should be visible in the quality plan.

Resin coating, lamination and prepreg production documented in the government EIA record

The relevance of Resin coating, lamination and prepreg production documented in the government EIA record depends on the requested product and acceptance criteria. During qualification, request a process flow, critical control points, inspection or test method, operator or equipment qualification where applicable, nonconformance handling and a recent example that represents the offered production route.

Application fit to evaluate

These are sourcing contexts suggested by the published product scope, not confirmed project references. Validate the exact application, design basis and evidence in the RFQ.

Composite reinforcement and laminate production

Weihai Dushi Composite Materials Co., Ltd.'s reinforcement range can be screened for laminating, pultrusion, winding, molding or conversion programs. Buyers should confirm grade, sizing, architecture, width, tex or areal weight, package, splice and moisture limits, then run a representative processing trial before approving the material for repeat production.

Composite matrix and process-chemistry programs

Weihai Dushi Composite Materials Co., Ltd.'s chemistry portfolio can be evaluated for the named composite process only after the processing window and cured-property basis are aligned. Request current data sheets, grade and site identity, viscosity or mix control, cure and exotherm, storage, batch certificate fields and test evidence based on the intended reinforcement and construction.

Automotive and transport composite components

Weihai Dushi Composite Materials Co., Ltd.'s product references indicate a possible fit for transport applications. Qualification should address part revision, material and process, appearance class, dimensional capability, inserts and secondary operations, validation plan, change control, annual volume, service-part obligations and packaging that prevents cosmetic or structural damage.

Supplier qualification checks

Specify fiber chemistry, grade, sizing, linear density or areal weight and the intended resin and process.
Confirm roll, bobbin, pallet or tow package dimensions against the buyer's creel and handling equipment.
Set tolerance and splice limits for width, weight, moisture, fuzz, broken ends and visual defects.
Request a production-lot sample and run it under representative process speed, temperature and tension.
Link certificates of analysis to lot numbers and define retention samples and complaint traceability.
Review moisture barrier, edge protection, pallet loading and storage limits for the transport route.

What to include in an RFQ

  1. 1Product definition: identify the requested Unidirectional and woven carbon-fiber prepregs, drawing or grade revision, dimensions, material construction, quantity and expected annual demand.
  2. 2Performance: state the loads, environment, temperature, chemical, fire, electrical, appearance or service-life requirements that actually control selection.
  3. 3Process and source: ask whether Carbon-, glass- and hybrid-fabric impregnation is performed by Weihai Dushi Composite Materials Co., Ltd. at the named production site and disclose subcontracted stages.
  4. 4Standards and evidence: name the required standard edition, test methods, report scope, laboratory or witness expectation and acceptance values.
  5. 5Quality plan: define the approved sample, incoming-material records, in-process controls, final inspection, sampling level, traceability and treatment of nonconforming product.
  6. 6Commercial boundary: request tooling or setup, MOQ, lead time, payment, warranty, Incoterm, export documents, packing dimensions and responsibility for transport damage as separate items.
  7. 7Change control: require written approval before changes to material, formulation, reinforcement, production site, tooling, critical process, specification or certificate status.

Evidence and review scope

Weihai Dushi Composite Materials Co., Ltd.'s source record currently includes Official Weihai Dushi English Website, Official Weihai Dushi Product Directory, Official Carbon-Fiber Prepreg Product Index, Official B-3 Woven Glass-Fiber Twill Prepreg Page. These links let a buyer distinguish company-published information from GetFRP's own qualification guidance and return to the original context when a claim changes.

The profile lists 3 company-published certification or test references. A listing is not the same as validation: request the complete current document, issuer, legal holder, production site, product and grade scope, standard edition, report specimen and validity date before citing it in a project or purchase order.

GetFRP last recorded a public-source review date of 2026-08-24. Public websites and catalogs can change after review, so commercial decisions should use newly downloaded files and direct supplier confirmation. GetFRP's public or claimed status describes profile ownership and identity controls; it does not certify every product statement or predict order performance.

eCatalog

Official product catalogs, web directories and technical guides published by the supplier.

Official website

Official Weihai Dushi English Website

Current English identity, product scope, company-published capacity, applications and contact entry points.

Open catalog
Official product directory

Official Weihai Dushi Product Directory

Official carbon-, glass-, aramid-, hybrid-fiber and composite-parts directory.

Open catalog
Official product index

Official Carbon-Fiber Prepreg Product Index

Official index for unidirectional, plain, twill, spread-tow, Jacquard and application-specific carbon prepregs.

Open catalog
Official product page

Official B-3 Woven Glass-Fiber Twill Prepreg Page

Company-published 100, 200 and 400 g/m² options and custom areal-weight statement.

Open catalog
Official company profile

Official Company and Qualification Page

Company profile, service flow, advantages, capacity and qualification claims.

Open catalog
Official contact page

Official Weihai Dushi Contact Page

Company contact, telephone, email and No. 6 Jihai Street address.

Open catalog
Exhibitor directory

China Composites Expo 2026 Net Show — W Exhibitors

Exhibitor identity, booth 6A06, material categories and historical company description.

Open catalog
Government approval record

Weihai Approval Notice for High-End Carbon-Fiber Prepreg Project

Government record for the project address, added area, process and 1.25 million m²/year project scope.

Open catalog
Government EIA record

Weihai Dushi High-End Carbon-Fiber Prepreg EIA Record

Government source for legal-entity formation date, business scope, address and production process.

Open catalog

Continue the sourcing comparison

  1. Changzhou Tianma Group Co., Ltd. logo
    Changzhou Tianma Group Co., Ltd.
    Changzhou, Jiangsu, China
    Process
    Glass-fiber yarn, roving and chopped-strand manufacturing
    Standard
    Not publicly listed
    MOQ
    Not publicly listed
    Lead time
    Not publicly listed

    Changzhou Tianma Group Co., Ltd. is based in Xinbei District, Changzhou, Jiangsu. Both the official website and China Composites Expo identify this legal entity, while the website also notes its former identity as Building Materials Factory 253. The site traces the enterprise lineage to a state-planned project begun in 1960 and calls the business the cradle of China's FRP industry; 1960 is therefore presented here as the start of the organizational lineage, not the current legal entity's registration date. The published portfolio spans glass-fiber yarns and products, unsaturated polyester and vinyl ester resins, gelcoats and auxiliaries, SMC/BMC, finished FRP products, and wind-energy and photovoltaic composites. China Composites Expo lists the exhibitor as CHANGZHOU TIANMA GROUP CO., LTD. and publishes booth 7M06 for 2026. History, industry-position, scale, capacity, market and product-performance statements are company- or organizer-published and have not been independently verified by GetFRP.

    Product categories
    Glass-fiber yarns, rovings and chopped strandsChopped-strand, continuous, surfacing and wet-laid matsGlass-fiber fabrics and wall coverings
    Websitetm253.com
  2. China Jushi Co., Ltd. logo
    China Jushi Co., Ltd.
    Tongxiang, Zhejiang, China
    Process
    Tank-furnace glass fiber drawing
    Standard
    ISO 9001
    MOQ
    Not publicly listed
    Lead time
    Not publicly listed

    China Jushi Co., Ltd. is a core enterprise in China National Building Material's fiberglass business division, focused on fiberglass and finished fiberglass articles. Jushi's English website states that the company listed on the Shanghai Stock Exchange in 1999 under stock code 600176 and operates fiberglass production bases in China, Egypt and the United States.

    Product categories
    Fiberglass yarn, roving and reinforcement fabricsChopped strand mat and woven rovingFiberglass products for thermoplastics
    Websitejushi.com
  3. Zhongfu Shenying Carbon Fiber Co., Ltd. logo
    Zhongfu Shenying Carbon Fiber Co., Ltd.
    Lianyungang, Jiangsu, China
    Process
    Dry-jet wet spinning
    Standard
    ISO 9001
    MOQ
    Not publicly listed
    Lead time
    Not publicly listed

    Zhongfu Shenying Carbon Fiber Co., Ltd. was established in 2006 and is part of China National Building Material Group. The company develops, manufactures and sells carbon fiber and carbon-fiber composite materials, and was listed on the Shanghai Stock Exchange in 2022 under stock code 688295.

    Product categories
    SYT45, SYT45S and SYT45T carbon fiberSYT49S, SYT49T and SYT49C carbon fiberSYT55, SYT65 and SYT70 high-strength carbon fiber