What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-season periods, ensuring fast and reliable delivery.

How do you ensure product quality?

We implement a rigorous end-to-end quality control system with 100% inspection before shipment. Every product is manufactured in full compliance with international standards and supports third-party inspection.

What surface treatments are available?

Our primary surface treatment is hot-dipped galvanizing. Available colors include Zinc-Silver, Green, Yellow, Blue, and Gray, with customizable zinc layer thicknesses.

C Type Highway Guardrail Traffic Road Crash Barrier Spacer Block

Name: C Type Highway Guardrail Traffic Road Crash Barrier Spacer Block
Brand: Shandong Guanxian Dahai Composite Material Co., Ltd.
SKU: 2154679462

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

US$5.00-9.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Maintenance

Warranty

3 Years

Model NO.

Guardrail Spacer

Certification

ASTM, ISO9001, CE

Surface Treatment

Galvanized

Position

Road Side

Material

Steel

Length

35mm, 40mm, 50mm, 150mm, 170mm, 180mm

Zinc Layer

381G/M2

Tensile Strength

Minimum 483MPa

Yield Point

Minimum 235MPa

Elongation

in 50mm (2 in), Minimum, 15 Percent

Beam Type

W-Beam, Thrie-Beam

Base Metal

Q235B/Q345b

Transport Package

Bundle Package or Customer Required

Specification

4128*312*83*2.7 mm

Trademark

Guanzhoudahai

Origin

China

HS Code

7308900000

Production Capacity

150, 000 Mt/Year

Key features

100% Quality Inspection: Every batch undergoes strict end-to-end quality control with a 100% pass rate before shipment.

Customizable Dimensions: Offering various lengths (35mm-180mm) and zinc layer options to meet specific project needs.

Multi-Standard Compliance: Products comply with ASTM, ISO9001, CE, EN 1317, AASHTO, and other international standards.

High Corrosion Resistance: Hot-dipped galvanized surface treatment ensures durability, high intensity, and long life.

Direct Factory Supply: Source directly from the manufacturer to ensure lower costs and dependable supply chain.

3-Year Warranty: Comprehensive 3-year warranty coverage for mechanical defects and product reliability.

Large Production Capacity: Annual capacity of 150,000 tons with automated lines to handle large-volume orders.

OEM/ODM Services: Full customization support including samples, designs, and flexible minor adjustments.

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: ≤0.29h 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 customization options are available?

We offer full customization from samples and designs, including minor and flexible customizations. Specific options include various lengths (35mm-180mm), zinc layer thicknesses, and beam types.

Q:What certifications do your products have?

Our products are certified with ASTM, ISO9001, and CE. They also comply with international standards such as EN 1317, AASHTO M180, and AS NZS 3845-1999.

Q:What is the warranty period?

We provide a 3-year warranty for our highway guardrail spacer blocks, covering mechanical defects and ensuring product reliability.

Q:What is the minimum order quantity (MOQ)?

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

Q:What are the payment terms?

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

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