Can we get the some samples? Any charges?

Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.

Hot Rolled Steel Rectangular Tube for Building Frames

Name: Hot Rolled Steel Rectangular Tube for Building Frames
Brand: Tianjin Wenli New Energy Technology Co., Ltd.
SKU: 2125232832

Tianjin, ChinaTianjin Wenli New Energy Technology Co., Ltd.

US$0.10

5,000 watt

Product specifications

Round pipe

Sample price:US$0.10/watt.Request sample

Product profile

Customization

Available

After-sales Service

Lifetime

Warranty

25 Years

Model NO.

WL-4-B194

Certification

GB, ISO, CE, SGS

Application

Commercial

Material

Steel

Type

Steel Tube

Steel Standard

Q235/355/390/420/460 S250/350/420/550

Finishing

Hot-DIP Galvanized/Zinc-Aluminum-Magnesium

Design

Free

Transport Package

EPE Foam/Fumigation Wooden Box/Fumigation Trag

Specification

Customizable

Trademark

Origin

Tianjin, Cn

HS Code

7308900000

Production Capacity

100wt/Year

Key features

Lifetime After-Sales Service: Comprehensive lifetime support for all purchased products.

25-Year Warranty Coverage: Extended 25-year warranty period for product durability.

Multi-Standard Certification: Certified by GB, ISO, CE, and SGS for global compliance.

Customizable Steel Standards: Supports Q235/355/390/420/460 and S250/350/420/550 standards.

Advanced Finishing Options: Hot-dip galvanized or zinc-aluminum-magnesium coating available.

Free Design Service: Complimentary design assistance for project requirements.

Fast Delivery Time: Delivery within 5-30 days depending on stock availability.

Secure Export Packing: EPE foam, fumigation wooden box, or standard sea-worthy packing.

Company profile

High Repeat Buyers ChoiceCustomization from DesignsQuality AssuranceR&D Capabilities

Tianjin Wenli New Energy Technology Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad photovoltaic equipment and metal structure manufacturing capabilities, with over 80 production lines, stated daily capacity of 900 tons, annual output exceeding 10GW, and more than 30 patents. It offers flexible customization, ODM services, OEM services for well-known brands, and maintains documented design and quality-control procedures. Certifications include ISO9001, ISO14001, ISO145001, green supply chain recognition, 5-star after-sales service certification, domestic certification for eight bracket product categories, and EU certification. Overseas service is documented for Iran and includes debugging, repair, and training. However, the supplier has only one year of export experience, lacks valid manufacturing contracts with affiliated subcontractors, and has no overseas warehouse or showroom. Evidence of financial strength and specific customer cases is insufficient.

Supplier typeThe supplier’s stated scope includes photovoltaic equipment and component manufacturing, sales, and metal structure manufacturing. Its more than 80 production lines and automated steel-processing capabilities indicate a manufacturer rather than only a trading or service company.

CertificationsThe supplier reports ISO9001, ISO14001, ISO145001, green supply chain recognition, and 5-star after-sales service certification. Eight major bracket product categories have domestic certification, and the products also hold EU certification, providing explicit evidence of substantial certification coverage.

After-Sales capabilityOverseas services are offered in Iran and include debugging, repair, and training. The supplier also reports clear, followed procedures and records for corrective and preventive actions and customer complaints, together with quality assurance in its quality-control processes.

R&D capabilityThe supplier provides ODM services, has more than 30 technical and utility model patents, and uses SolidWorks for R&D. It also maintains auditable design input, output, review, verification, and validation documentation, although no SDK is available.

Production capacityThe supplier reports over 80 production lines, automated forming, cutting, forging, and welding equipment, daily production capacity of 900 tons, and annual output exceeding 10GW. It also reports in-stock capability, but lacks valid contracts with affiliated subcontractors, which limits confidence in outsourced manufacturing arrangements.

Customization capabilityThe supplier supports customization from customer designs, full and minor customization, and flexible customization. Its R&D responsibilities explicitly cover customer-specified size, appearance, and materials, supported by documented design and validation records.