What certifications does the company hold for quality and safety?

The company holds ASME, Chinese Class A2 pressure vessel design & fabrication, pipeline maintenance qualification, and ISO9001/ISO14001/ISO45001 certifications.

Heavy-Duty Composite Frame Parts for Reliable Train Door Functionality

Name: Heavy-Duty Composite Frame Parts for Reliable Train Door Functionality
Brand: Shandong Chonhunteda Composite Co., Ltd.
SKU: 2172713902

Shandong, ChinaShandong Chonhunteda Composite Co., Ltd.

US$50.00-200.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Shape

Carbon Fiber Plate

Raw Materials

Polyacrylonitrile-Based Carbon Fiber

Model NO.

CP-35

Performance

High-Strength Type

State

Filament

Mechanical Property

High-Performance Type

Reinforcement Material

T700/T800 Carbon Fiber + E Glass Fiber

Resin System

Standard Mediumtemperature Epoxy Resin

Core Advantages

High Strength & Low Weight

Density

1.6-1.8 G/Cm³

Standard Thickness

1.5mm-50mm, Customizable

Curing Temperature

120℃-180℃

Forming Process

Autoclave Curing

Delivery Forms

Customized

Post-Processing

Available for Cutting, Drilling, Polishing

Forming Form

Prepreg B-Stage Impregnation

Porosity

≤1％

Forming Pressure

0.6-1.0MPa

Lay-up Structure

Custom-Designed on Demand

Application Fields

Aerospace, Rail Transit, Industrial Equipment

Customization Service

Customizable Thickness, Dimensions

Transport Package

According to Customer Needs

Specification

Customized

Trademark

Chonhunt eda

Origin

Zhucheng, Weifang, Shandong

HS Code

6815139090

Production Capacity

200000pieces/Year

Key features

Ultra-lightweight & High Rigidity: Significantly reduces train weight while maintaining structural integrity compared to metal or plastic.

Rail-Grade Flame Retardant: Meets FAR 25.853 and UL94 V-0 standards with low smoke and toxic gas emission.

Customizable Decorative Surface: Offers realistic wood grain, solid colors, and matte finishes with in-mold texture technology.

Easy Maintenance & Cleaning: Seamless integral surface prevents dust accumulation and allows quick stain removal without special agents.

Durable & Corrosion Resistant: Resists deformation, fading, and rust under alternating temperature and humidity conditions.

Customizable Dimensions & Thickness: Thickness ranges from 1.5mm to 50mm with custom-designed lay-up structures available.

Comprehensive Post-Processing: Supports cutting, drilling, polishing, painting, and edge sealing for precision assembly.

High-Strength Carbon Fiber Material: Utilizes T700/T800 carbon fiber with epoxy resin for superior mechanical properties.

Company profile

Management CertificationR&D CapabilitiesIn-stock CapacityImporters and Exporters

Shandong Chonhunteda Composite Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤7.26h

AI-Powered supplier vetting

SummaryThe supplier manufactures industrial automatic control systems and general mechanical and electrical equipment, while also providing related research, sales, engineering, and technical services. It reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, written inspection procedures, valid manufacturing-capacity contracts with affiliated subcontractors, and in-stock capacity. Customization and ODM services are available, supported by 12 R&D engineers, two innovation platforms, advanced equipment, testing capabilities, and a quality assurance system. However, the supplier reports no new product information in the past year, no overseas warehouse or showroom, and zero overseas service countries. Service corrective-action and complaint-handling procedures lack written records. Financial information is inconsistent and insufficient for a reliable assessment.

Supplier typeThe supplier is a manufacturer and technical service provider covering industrial automatic control systems, mechanical and electrical equipment, general equipment, special-equipment sales, engineering R&D, and technical services. Its described innovation laboratories, testing capabilities, and quality assurance system further support a manufacturing-oriented profile.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. The records also mention other product-compliance and sustainability certifications, but do not specify their names or scope.

After-Sales capabilityThe supplier has written procedures and records for assessing service capability and reports in-stock capacity, but its corrective and preventive action and customer-complaint procedures have no written records. It has no overseas warehouse, no overseas showroom, and reports services in zero overseas countries, limiting evidence of international after-sales coverage.

R&D capabilityThe supplier reports 12 R&D engineers, ODM capability, two innovation platforms, advanced equipment, and comprehensive testing capabilities. However, it also states that no new product information was available in the past year, so recent innovation output is not demonstrated.

Production capacityProduction-related evidence includes uniformly followed finished-product inspection instructions, valid manufacturing-capacity contracts with each affiliated subcontractor, in-stock capacity, advanced equipment, testing capabilities, and a quality assurance system. These records support established production and quality-control capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This indicates broad product-design and modification flexibility.

Client casesThe supplier states that it has collaborated with Fortune 500 companies and that repeat buyers account for 50%–80% of buyers. It has also exported for 10 years, although exports represent only 1%–10% of total sales; these statements provide positive customer-experience evidence without identifying specific customers.

Product Q&A

Q:What unique strengths does the carbon fiber door pillar cover panel have compared with plastic and metal decorative panels?

Ordinary plastic panels are prone to warping under temperature changes and lack sufficient structural rigidity, while metal decorative plates bring excessive weight and easily suffer from coating cracking and rust. This integrated carbon fiber cover panel realizes obvious lightweighting while maintaining high rigidity. Equipped with rail-certified flame retardant performance and customizable decorative surfaces, it resists deformation, fading and corrosion, and is much easier to clean. It perfec

Q:Is the surface wood grain and customized coating durable for long-term carriage use?

Yes. The surface treatment is tightly combined with the compact carbon fiber substrate, free from the defect of easy peeling existing on the surface film of plastic panels. Even under long-term friction, frequent wiping and alternating temperature and humidity inside carriages, the texture and coating will not fade or fall off, retaining a consistent delicate decorative effect throughout the service cycle.

Q:Does this cover panel meet the fire safety standards of high-speed trains and maglev vehicles?

Absolutely. The carbon fiber prepreg adopted is added with professional flame retardant ingredients that fully comply with rail transit fire protection specifications. When exposed to open fire, the panel can restrain flame spread and reduce the release of toxic smoke, effectively slowing down fire expansion inside the passenger compartment and improving overall passenger safety in emergencies.

Q:What are the available customization options for thickness and dimensions?

Standard thickness ranges from 1.5mm to 50mm, with core thickness from 3mm to 40mm. Custom-designed lay-up structures and dimensions are available on demand to fit specific application requirements.

Q:What post-processing services are available for the composite parts?

We offer comprehensive post-processing including cutting, drilling, polishing, painting, edge sealing, and insert pre-embedding to ensure precision assembly and fit for various installation scenarios.