What materials are used for the steel structure?

We use Quality Carbon Structural Steel (Q355B, Q235B, A36) and Alloy Structural Steel, including High-Strength Steel for columns and rafters.

What certifications does the product have?

The product has ISO, CE, EN1090, SGS, and BV certifications.

Can the steel structure be customized?

Yes, we support customization for installation, mobility, usage, drawings, wind/snow load, earthquake resistance, and specific steel types.

China Wholesale Commercial Prefabricated Prefab Steel Structure Building

Name: China Wholesale Commercial Prefabricated Prefab Steel Structure Building
Brand: Qingdao Steel Building Co., Ltd.
SKU: 1908571622

Shandong, ChinaQingdao Steel Building Co., Ltd.

US$50.00

500-999 Square Meters

US$35.00

1,000-4,999 Square Meters

US$20.00

5,000+ Square Meters

Product profile

Customization

Available

After-sales Service

2D &3D Installation Drawing& Install Video

Connection Form

Bolt Connection

Model NO.

STL-Commercial Steel Building

Construction Member

Steel Column & Rafter,Purlin ,Tie Beam etc

Grade

Quality Carbon Structural Steel And Alloy Structural Steel

Molding Method

Hot Rolled & Weld

Residential Wall Structure

Wall Support

Standard

GB,ASTM,as ,En1090

Steel Type

High-Strength Steel

Structure

Steel Structure

Install

Support Installation

Mobility

Adjustable

Usage

High Quality Steel Structure Farm Agriculture Shed

Drawing

Design Plan Drawing, Install Shop Drawing

Wind Against/Snow Load

80~280km Per Hour/30~200kg Per Sqm

Earthquake Against

7~9 Grade

Certificate

ISO, CE, Third Party Inspect

Column & Rafter

H Section Steel

Type of Steel for Building Structure

High-Strength Steel

Application

Steel Workshop, Steel Structure Platform

Warranty

30 Years

Type

Steel Building

Forming

Weld, Hot-Rolled Steel, Cold Drawn Steel, Forging

Member

Steel H Column, H Beam, Purlin, Tie Beam

Carbon Structural Steel

Q355b, Q235B, A36 etc

Transport Package

Main Structure Loading in 40FT Ot, Others Loading

Specification

Customized

Trademark

STL

Origin

China

HS Code

7308900000

Production Capacity

10000sqm Per Month

Key features

30-Year Warranty: Comprehensive 30-year warranty coverage for long-term reliability and peace of mind.

Global Standard Compliance: Meets EN1090, ASTM, AS, and GB standards with CE and SGS certifications.

Custom Design Support: Free design plans and installation drawings tailored to specific project requirements.

High-Strength Materials: Constructed with Q355B/Q235B steel and high-strength H-beams for durability.

Overseas Installation: Professional engineers available to supervise installation on-site in overseas locations.

Versatile Applications: Suitable for warehouses, workshops, hangars, farms, and commercial buildings.

Fast Production: Annual capacity of 30,000 tons of H-beams and 100,000 sqm of sandwich panels.

Complete Package: Includes prefabricated frames, panels, hardware, and accessories for easy assembly.

Company profile

Years of Export ExperienceQuality AssuranceProduct CertificationManagement Certification

Qingdao Steel Building Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Full Customization CertifiedExport Year: 12 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.23h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and professional technical supplier with manufacturing, export, service, quality-control, and R&D capabilities. It provides 3D software design, sample-based and full customization, ODM, and OEM services, and reported new products within the past year. Production information includes prefabricated steel structure building capacity of 100,000 square meters, steel structure frame capacity of 5,000 tons, and other fabricated steel structure capacity of 2,000 tons. Quality credentials include CE compliance certification and ISO9001:2015 certification, supported by raw-material traceability and documented corrective-action and complaint procedures. However, the available information shows no overseas warehouse, showroom, agent, branch, or offline trade-show participation, and no valid manufacturing-capacity contract with affiliated subcontractors. Evidence of customer cases is limited because no Fortune 500 cooperation is reported, although repeat buyers account...

Supplier typeThe supplier is explicitly described as a professional technical supplier and a combined company. Its stated business scope includes construction-related products and manufacturing/processing of doors and windows, while its profile covers manufacturing, export trade, services, quality control, and R&D.

CertificationsThe supplier reports CE certification for product compliance and an ISO9001:2015 management-system certificate. It also states that quality assurance and raw-material traceability are implemented, providing direct support for formal quality-control practices.

After-Sales capabilityThe supplier has documented procedures and records for handling customer complaints, corrective and preventive actions, and service-capability assessment. It also has in-stock capacity and a stated one-month average lead time in both peak and off-season, but has no overseas warehouse, overseas showroom, overseas agent or branch, and serves zero stated overseas countries.

R&D capabilityThe supplier provides 3D software design, sample customization, full customization, ODM, and OEM services, and reports new products within the past year. However, it has no available SDK and lists only two R&D engineers, so the evidence supports active development capability but not a broad or advanced technical platform.

Production capacityReported annual capacity includes 100,000 square meters of prefabricated steel structure buildings, 5,000 tons of steel structure frames, and 2,000 tons of other fabricated steel structures. The supplier lists cutting, shearing, welding, assembly, and inspection processes, with written inspection procedures followed; however, it has no valid manufacturing-capacity contract with affiliated subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples and full customization, provides 3D software design services, and offers both ODM and OEM services. These capabilities directly indicate support for tailored product and design requirements.

Product Q&A

Q:Is your company a factory or trade company?

We are a factory, so you can get the best and competitive price.

Q:What is the quality assurance you provided and how do you control quality?

Self inspect every steps during the design and fabricate, the third inspect party aslo be accept.

Q:Do you offer guiding installation on site overseas for warehouse building?

Yes, We can send our professional technical engineer to supervise installation on site overseas. They have succeeded in many countries, such as Iraq, Dubai, South Africa, Algeria, and Ghana.

Q:What is your main market?

Europe, Africa, Middle east asia, south east asia, Australia, New Zealand, south America etc

Q:What is the warranty period for the steel structure?

We provide a 30-year warranty for our steel structure buildings.