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PUBLIC COMPANY PROFILE

Chongqing Dujiang Composites Co., Ltd.

Public profile · Not claimed
Chongqing Dujiang Composites Co., Ltd. · Chongqing, China

Chongqing Dujiang Composites is presented as a source-reviewed supplier profile centered on Fiberglass Roving and Chopped Strands, with company-published capability separated from buyer-side verification requirements.

Chongqing Dujiang Composites Co., Ltd. states that the current company name was adopted in 2002 and traces its fiberglass and FRP operating history to 1980. Its published catalog spans fiberglass reinforcements, thermoset resins, FRP profiles, carbon- and aramid-fiber materials, and related auxiliaries. The company reports 289 employees, approximately 50,000 m² of plant space, one-stop sourcing and OEM/ODM services. Its official sites publish a Yubei office address and a separate Beibei production address; buyers should verify the contracting entity, actual production site, product origin and quality-responsibility chain through the business license, factory audit and order-specific documents.

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Legal entity
Chongqing Dujiang Composites Co., Ltd.
Manufacturing since (company statement)
2002
Location
Chongqing, China
Business type
Composite product supplier
Company overview

This procurement profile is built for engineering and procurement teams comparing a finished FRP or composite component against a controlled drawing, service condition and inspection plan. It organizes Chongqing Dujiang Composites Co., Ltd.'s published products, processes, certificate references and official sources around the primary topic “Chongqing Dujiang Composites Fiberglass Roving and Chopped Strands.” 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.

Chongqing Dujiang Composites 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

Dujiang's official catalog covers fiberglass rovings, chopped strands, mats, mesh and fabrics; unsaturated-polyester, vinyl-ester, epoxy and gel-coat resins; fiberglass rods, rebar, tubes, gratings and structural profiles; plus carbon fiber, aramid, mold-release wax and other auxiliaries. The sites publish glass-fiber drawing, weaving, mat-processing and profile-production information and advertise one-stop sourcing, customization and OEM/ODM services. Most listings do not provide a common downloadable TDS, batch COA, MOQ or lead time. Buyers should qualify the quoted manufacturer and origin, glass type and sizing, resin grade and batch, fabric weight and width, profile fiber content and tolerances, mechanical and corrosion testing, packaging, MOQ, lead time and warranty. The ISO 9001, ISO 14001 and China Classification Society files currently displayed by the supplier are past their printed validity dates and must not be treated as current certification.

Products and supply scope

Fiberglass rovings, chopped strands and yarnsChopped-strand and surface mats, mesh, woven roving, fabrics and mesh tapeUnsaturated-polyester, vinyl-ester, epoxy and gel-coat resinsFiberglass rods, rebar, tubes, gratings and structural profilesCarbon-fiber fabrics, sheets, tubes, mesh and chopped fiber, plus aramid and hybrid fabricsMold-release wax, curing agents, accelerators, titanium dioxide and other composite auxiliaries

Capabilities and services

Glass melting, fiber drawing and roving preparation (supplier-published production line)Fiberglass mesh, woven-roving and other fabric manufactureGlass-mat forming, bonding, drying and rollingFiberglass rod, tube, rebar and structural-profile forming and finishingResin and composite-auxiliary supply and packingOEM/ODM and custom dimensions, labeling and packaging

Company-published certifications

Archived ISO 9001:2015 / GB/T 19001-2016 quality-management certificate for fiberglass-yarn production, printed valid through November 11, 2021 (expired; request and verify a current certificate, entity, scope and validity)Archived ISO 14001:2015 / GB/T 24001-2016 environmental-management certificate for the design and production of fiberglass products, printed valid through December 21, 2022 (expired; request a current certificate)Archived China Classification Society Works Approval covering glass-fiber woven roving, chopped-strand mats, stitched fabrics and roving, printed valid through January 31, 2023 (expired; re-verify current approval for marine projects)
SOURCE-REVIEWED PROCUREMENT PROFILE

How to evaluate Chongqing Dujiang Composites Co., Ltd. for Fiberglass Roving and Chopped Strands

Evaluate Chongqing Dujiang Composites Co., Ltd. as a potential composite product manufacturer for Fiberglass rovings, chopped strands and yarns, verify the public evidence and prepare a comparable RFQ.

Published product scope, translated into buying checks

Fiberglass rovings, chopped strands and yarns

Chongqing Dujiang Composites 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.

Chopped-strand and surface mats, mesh, woven roving, fabrics and mesh tape

For Chopped-strand and surface mats, mesh, woven roving, fabrics and mesh tape, 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 Chongqing Dujiang Composites Co., Ltd. should be identified explicitly rather than treated as automatically equivalent.

Unsaturated-polyester, vinyl-ester, epoxy and gel-coat resins

This product broadens the supplier's public portfolio, but GetFRP does not infer approval from a product name alone. Ask Chongqing Dujiang Composites Co., Ltd. for the grade or model designation, manufacturing route, current technical file, production and test location, batch traceability and the limits that apply to published performance values.

Fiberglass rods, rebar, tubes, gratings and structural profiles

A useful RFQ for Fiberglass rods, rebar, tubes, gratings and structural profiles should describe the buyer's application without disclosing unnecessary proprietary detail, then state the measurable product requirements. Compare Chongqing Dujiang Composites Co., Ltd.'s response against the same dimensions, quantity, inspection, documentation, Incoterm and delivery assumptions used for every shortlisted supplier.

Manufacturing and service capability review

Glass melting, fiber drawing and roving preparation (supplier-published production line)

Chongqing Dujiang Composites Co., Ltd. publishes Glass melting, fiber drawing and roving preparation (supplier-published production line) 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.

Fiberglass mesh, woven-roving and other fabric manufacture

The relevance of Fiberglass mesh, woven-roving and other fabric manufacture 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.

Glass-mat forming, bonding, drying and rolling

For sourcing purposes, Glass-mat forming, bonding, drying and rolling is a capability signal rather than independent verification. Confirm capacity, tooling or fixture availability, setup and changeover assumptions, lot definition, sample approval and traceability. The quotation should identify any limitation that could affect geometry, performance, appearance or delivery.

Fiberglass rod, tube, rebar and structural-profile forming and finishing

Buyers evaluating Fiberglass rod, tube, rebar and structural-profile forming and finishing should connect the process claim to evidence: an equipment list, controlled procedure, representative report, production photograph or witnessed sample may each answer a different risk. Chongqing Dujiang Composites Co., Ltd. should also explain how the result is checked before release and recorded for the shipment.

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.

Industrial access, walkway and platform systems

Chongqing Dujiang Composites Co., Ltd.'s listed grating or platform products may be relevant to industrial access systems. Qualification should identify molded or pultruded construction, resin, panel and mesh geometry, surface, support span, load and deflection limit, cut plan, clips, fire or smoke requirement and the test basis behind any published load table.

Concrete reinforcement and civil infrastructure

Chongqing Dujiang Composites Co., Ltd.'s listed reinforcement products may be relevant to corrosion-sensitive concrete or civil works. Buyers should state fiber type, nominal area, guaranteed tensile property, modulus, bond surface, bend geometry, test method, design code, lot traceability and packaging. FRP reinforcement should not be specified or handled as if it were interchangeable with steel.

Composite reinforcement and laminate production

Chongqing Dujiang Composites 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.

Supplier qualification checks

Freeze the drawing revision, material system, critical dimensions and acceptance tests before comparing quotations.
Identify the actual production site and distinguish in-house manufacturing from subcontracted tooling, finishing, testing or assembly.
Request a representative sample or first article made with the proposed production material and process.
Tie mechanical, fire, corrosion or electrical claims to the offered construction, thickness and test specimen.
Define visual limits, repair rules, traceability and the inspection sampling plan in measurable terms.
Review export packing, loading support, moisture protection and handling for the actual part geometry.

What to include in an RFQ

  1. 1Product definition: identify the requested Fiberglass rovings, chopped strands and yarns, 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 Glass melting, fiber drawing and roving preparation (supplier-published production line) is performed by Chongqing Dujiang Composites 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

Chongqing Dujiang Composites Co., Ltd.'s source record currently includes Chongqing Dujiang Official Website, Chongqing Dujiang Company Profile, Chongqing Dujiang Product Directory, Chongqing Dujiang Factory Tour. 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 2026-08-06. 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.

Continue the sourcing comparison

  1. F1 Composite logo
    F1 Composite
    Chongqing, China
    Verified
    Process
    Drawing and profile-selection review
    Standard
    EN 13706
    MOQ
    Not publicly listed
    Lead time
    Not publicly listed

    F1 Composite is the international composites brand of Chongqing Yaoyi New Material Technology Co., Ltd. It supplies pultruded FRP profiles, gratings, fiberglass window and door systems, and custom pultrusions for overseas projects, with English-language engineering, contracting, quality documentation, export paperwork and international delivery support.

    Product categories
    Pultruded FRP structural profilesFRP gratings and platform systemsFiberglass window and door profiles and systems
  2. Nanjing Spare Composites logo
    Nanjing Spare Composites
    Yizheng, Yangzhou, Jiangsu, China
    Process
    Continuous FRP pultrusion
    Standard
    ISO 9001
    MOQ
    Not publicly listed
    Lead time
    Not publicly listed

    SPARE's Chinese website presents the business as Nanjing Spare New Materials Co., Ltd., while its official English export site operates under the Nanjing Spare Composites brand and names Nanjing Spare Composites Yizheng Co., Ltd. in the site footer. The company's published history says Nanjing Spare was founded in May 1995 and the Yizheng company was established in 2011. Its public product scope centers on pultruded glass-fiber composite profiles, gratings, bridge and infrastructure components, with custom development, machining, testing and installation support.

    Product categories
    Custom and standard pultruded FRP profilesPultruded and molded FRP grating, decking and coversFRP bridge components, structural beams, columns, rebar and wall cladding
  3. Shenzhen Hongfu Tongxin Technology Co., Ltd. logo
    Process
    Continuous mechanized FRP sheet production
    Standard
    Not publicly listed
    MOQ
    Not publicly listed
    Lead time
    Not publicly listed

    Shenzhen Hongfu Tongxin Technology Co., Ltd. describes itself on its official website as a manufacturer of fiberglass and plastic products and also uses the FORE / Foreth Industrial brand identity. The company publishes an FRP production factory in Dongguan and a separate plastic-sheet extrusion and vacuum-forming factory in Foshan. Its listed FRP range includes flat sheets, sandwich panels, molded grating, pultruded profiles, roofing sheets and SMC/BMC manhole covers, while the published commercial contact address is in Shenzhen, Guangdong.

    Product categories
    Smooth, gel-coated and embossed FRP flat sheetsFRP sandwich panels for refrigerated trucks, RVs, vehicle bodies and wallsMolded FRP grating