What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment as international commercial terms.

What is the lead time for production?

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

Three Wave Highway Guardrail System Steel Road Safety Barrier

Name: Three Wave Highway Guardrail System Steel Road Safety Barrier
Brand: Shandong Guanxian Dahai Composite Material Co., Ltd.
SKU: 2293788985

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

US$10.00-25.00

100 Meters

Sample price:US$15.00/kg.Request sample

Product profile

Customization

Available

After-sales Service

Maintenance

Warranty

3 Years

Model NO.

Thrie Beam Guardrail

Certification

ISO9001, CE

Surface Treatment

Galvanized

Position

Road Side

Material

Steel

Length

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

Width

306 / 310 / 312 / 380 mm

Height

80 / 82 / 83 / 85 mm

Thickness

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

Zinc Layer

550 G/M², 1100 G/M², 600 G/M²

Tensile Strength

Minimum 495MPa

Color

Zinc-Silver, Green, Yellow, Blue, Gray

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

High-Strength Steel Construction: Made from A572, Q345B, S355JR, A36 with min 495 MPa tensile strength for superior impact resistance.

Customizable Dimensions: Lengths 3200-4320mm, widths 306-380mm, heights 80-85mm, and thicknesses 2.5-4.15mm available.

Multi-Color Options: Available in Zinc-Silver, Green, Yellow, Blue, and Gray to suit various environmental aesthetics.

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

OEM & Custom Service: Offers full customization from samples or designs, including minor and flexible customization options.

High Production Capacity: Annual capacity of 150,000 tons with advanced automated lines ensuring efficient large-scale supply.

3-Year Warranty: Comprehensive 3-year warranty coverage with dedicated maintenance after-sales service 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: ≤1.03h 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 guardrail?

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

Q:What are the available customization options?

We offer full customization from samples or designs, including minor and flexible customization. Options include specific lengths (3200-4320mm), widths, heights, thicknesses, colors, and zinc layer weights.

Q:What certifications does the product have?

The product is certified under ISO9001, CE, SGS, and ISO14001. It 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 guardrail system. After-sales service includes maintenance support to ensure long-term performance and customer satisfaction.

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

The Minimum Order Quantity (MOQ) is 1 unit, allowing for flexible ordering for various project sizes.