How do you ensure product quality?

We perform 100% inspection before shipment and maintain full traceability of raw materials.

What is your annual production capacity?

Our factory has an annual production capacity of 150,000 tons.

Duty Adjustable W Beam Guardrail for Highway Protection

Name: Duty Adjustable W Beam Guardrail for Highway Protection
Brand: Shandong Guanxian Dahai Composite Material Co., Ltd.
SKU: 2169946332

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

US$10.00-40.00

100 Meters

Sample price:US$15.00/kg.Request sample

Product profile

Customization

Available

After-sales Service

Maintenance

Warranty

3 Years

Model NO.

W-Beam Guardrail

Certification

ISO9001, CE

Surface Treatment

Galvanized

Position

Road Side

Material

Steel

Guardrail Standard

Aashto M180, En1317, Ral RG620, as Nzs 3845-1999

Zinc Coating Thickness

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

Length

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

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

Guardrail Material Steel Grade

A572/Q345b/Ha350/Q235B/A36/S355jr/S275jra572/Q355

Zinc Layer

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

Tensile Strength

Minimum 495MPa

Guardrail Beam Style

W / Thrie Beam Guardrail

Surface-Treatment

Hot Dipped Galvanized or Plastic Sprayed Coating

Transport Package

Containers

Specification

Customized

Trademark

guanzhoudahai

Origin

China

HS Code

7308900000

Production Capacity

150, 000 Mt/Year

Key features

Comprehensive Customization: Full customization available from samples, designs, and flexible options for dimensions and colors.

Multiple Steel Grades: Available in A572, Q345B, S355JR, A36, and Q355 with minimum tensile strength of 495 MPa.

Diverse Color Options: Offered in Zinc-Silver, Green, Yellow, Blue, and Gray to match various road environments.

International Standards Compliance: Meets AASHTO M180, EN1317, RAL RG620, and AS NZS 3845-1999 for global safety projects.

High Production Capacity: Annual output of 150,000 tons with automated lines ensuring efficient large-scale delivery.

Strict Quality Control: 100% product inspection before shipment with full traceability of raw materials.

3-Year Warranty Coverage: Includes maintenance support and 3-year warranty for mechanical defects.

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: ≤0.75h 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.