What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 unit, allowing for flexible purchasing for both small projects and large-scale infrastructure needs.

How long is the average lead time for delivery?

The average lead time is within 15 workdays for both peak and off-season periods. Over 89% of orders last year were delivered ahead of schedule.

Hot Dipped Galvanized W Beam Roadway Traffic Barriers System Mentally Application Friendly

Name: Hot Dipped Galvanized W Beam Roadway Traffic Barriers System Mentally Application Friendly
Brand: Shandong Guanxian Dahai Composite Material Co., Ltd.
SKU: 2295162385

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

US$10.00-40.00

100 Meters

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Maintenance

Warranty

3 Years

Model NO.

W Beam Guardrail

Certification

ASTM, ISO9001, CE

Surface Treatment

Galvanized

Position

Road Side

Material

Steel

Color

Zinc-Silver, Green, Yellow, Blue, Gray

Zinc Layer

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

Zinc Coating Thickness

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

Tensile Strength

Minimum 495MPa

Transport Package

Bundle Package or Customer Required

Specification

4320*310*85*3.0

Trademark

Guanzhoudahai

Origin

China

HS Code

7308900000

Production Capacity

4320*310*85*3.0

Key features

Multi-Color Customization: Available in Zinc-Silver, Green, Yellow, Blue, and Gray to match diverse road environments.

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

Global Standard Compliance: Compliant with AASHTO M180, EN1317, RAL RG620, and AS NZS 3845-1999 standards.

OEM & Customization Support: Full customization from samples/designs with own-brand OEM capabilities for global projects.

3-Year Warranty Coverage: Comprehensive 3-year warranty with dedicated maintenance after-sales service support.

100% Quality Inspection: Strict end-to-end QC with 100% product inspection before shipment and third-party support.

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.

Product Q&A

Q:What materials are used for the W-beam guardrail?

The guardrail is manufactured from high-strength steel grades including A572, Q345B, S355JR, A36, and Q355, with a minimum tensile strength of 495 MPa.

Q:What are the standard dimensions for the guardrail beams?

Available lengths range from 3200mm to 4320mm, widths from 306mm to 380mm, heights from 80mm to 85mm, and thicknesses from 2.5mm to 4.15mm.

Q:Is customization available for this product?

Yes, we provide full customization from samples or designs, including minor customization and flexible options. Colors, zinc layers, and dimensions can be tailored to specific project requirements.

Q:What certifications does the product hold?

The product is certified under ASTM, ISO9001, CE, SGS, and ISO14001. It also complies with international standards such as AASHTO M180, EN1317, RAL RG620, and AS NZS 3845-1999.

Q:What is the warranty period and after-sales service?

We provide a 3-year warranty for the product. After-sales service includes maintenance support to ensure long-term reliability and performance.