Do you provide after-sales service?

Yes, we provide maintenance services and have a dedicated team to ensure customer satisfaction and long-term value.

What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Industrial-Grade Guardrail for Safe Highway and Expressway Use

Name: Industrial-Grade Guardrail for Safe Highway and Expressway Use
Brand: Shandong Guanxian Dahai Composite Material Co., Ltd.
SKU: 2307099675

Shandong, ChinaShandong Guanxian Dahai Composite Material Co., Ltd.

US$15.00

200 Meters

Product profile

Customization

Available

After-sales Service

Maintenance

Warranty

Maintenance

Model NO.

DH-GR-193050

Certification

ASTM, ISO9001, RoHS, CE

Surface Treatment

Galvanized

Position

Road Side

Material

Steel

Model No.

Highway Guardrail

Guardrail Beam Style

W / Thrie Beam Guardrail

Length

3200/3810/4000/4130/4300/4320mm

Width

306/310/312/380mm

Thickness

2.5/2.75/2.85/3.0/3.1/3.15/3.5/3.75/3.85/4.0/4.15

Height

80/82/83/85mm

Color

Zinc-Silver, Green, Yellow, Blue, Gray

Zinc Coating Thickness

100/350/550/610/1100/1200G/M2; 50/77/85/140/155um

Zinc Layer

550G/M2, 1100G/M2, 600G/M2

Tensile Strength

Minimum 495MPa

Transport Package

7308900000

Specification

Customized

Trademark

GUANZHOUDAHAI

Origin

China

HS Code

7308900000

Production Capacity

150, 000 Mt/Year

Key features

High-Strength Steel Material: Manufactured from A572, Q345B, S355JR, A36 with minimum tensile strength of 495 MPa.

Multiple Color Options: Available in Zinc-Silver, Green, Yellow, Blue, and Gray to suit various environments.

Customizable Dimensions: Lengths from 3200mm to 4320mm, widths 306-380mm, and thicknesses 2.5-4.15mm.

OEM and Customization Services: Offers full customization, customization from samples, and designs based on client needs.

Global Standard Compliance: Meets AASHTO M180, EN1317, RAL RG620, AS NZS 3845-1999, ASTM, and ISO9001 standards.

Fast Delivery Performance: Over 89% of orders delivered ahead of schedule with peak and off-peak lead times within 15 workdays.

Advanced Manufacturing Capacity: Annual production of 150,000 tons with automated lines and 100% product inspection.

Company profile

100% Finished Products InspectionCustomization from SamplesNational Award receivedProduct Certification

Shandong Guanxian Dahai Composite Material Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao portAverage Response Time: ≤0.01h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier operates in metal products, steel processing, traffic and public-administration signage, traffic-safety equipment, metal structures, and high-performance fibers and composites. It holds ISO9001:2015 and CE certifications, reports documented procedures for service assessment, corrective actions, and complaint handling, and has six to ten quality-control staff. The supplier demonstrates customization capability and reports new products within the past year, but does not provide ODM services, SDKs, overseas warehouses, showrooms, agents, or branches. Financial information is limited to year labels without substantive performance figures, so financial credibility cannot be determined. No Fortune 500 cooperation or well-known-brand OEM experience is reported. Production scale, capacity, and customer references are not sufficiently evidenced.

Supplier typeThe supplier is a manufacturer and seller covering metal structures, metal materials and products, steel rolling, traffic and public-administration signs, traffic-safety equipment, mechanical and electrical equipment, and high-performance fibers and composite materials. The stated scope also includes goods import and export, indicating both manufacturing and trading activities.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity, although the supplied information does not specify their scope or validity dates.

After-Sales capabilityThe supplier has written and followed procedures for service-capability assessment, corrective and preventive actions, and customer complaint handling. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries with overseas services, which limits documented overseas service coverage.

R&D capabilityThe supplier reports two years of total R&D engineer experience, one national science and technology progress award, and new products within the past year. It does not provide an SDK and does not offer ODM services, so the evidence supports some innovation activity but not broad software or ODM capability.

Production capacityThe supplier lists multiple manufacturing activities, including metal products, steel rolling, signage, traffic-safety equipment, metal structures, and composite materials, and reports six to ten quality-control staff. Lead times are stated as within 15 working days in both peak and off-season, but production capacity, equipment, output, and facility scale are not provided.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. This directly supports a broad product-customization capability, although ODM service is specifically unavailable.