Qingdao Xinguangzheng Xinyuan Construction Engineering Co., Ltd.
                                                                                                           
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24 Years
Since 2002
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Q355B Hot Dip Galvanized Prefabricated Steel Building - 5-20 Ton Crane Capacity, Custom Warehouse Structures

Price Negotiable
Price: USD 30-100 Square Meter/Negotiable
MOQ: 100 square meters
Delivery Time: 30-55 days
Brand: XGZ
Product Description
Q355B Prefabricated Steel Building Overview

Professionally engineered prefabricated steel building systems provide cost-effective and efficient low-rise structures for industrial and commercial applications. These integrated building systems are custom-designed using CAD tools to meet specific customer requirements and comply with local building codes.

Technical Specifications
Main Parts Item Name Specification
Main Steel Frame Steel Column H section steel Q355B
Steel Beam H section steel Q355B
Steel Purlin Roof Purlin C or Z shape, galvanized steel Q235B
Wall Purlin C or Z shape, galvanized steel Q235B
Cladding Material Roof PPGI steel sheet, or sandwich panel (EPS, Fiberglass, Rockwool, PU)
Wall PPGI steel sheet, or sandwich panel (EPS, Fiberglass, Rockwool, PU)
Accessories Bolts (ordinary, high strength), Gutter (galvanized steel plate, stainless steel), Windows (aluminum alloy, PVC), Doors (sliding or rolling), Downpipes (PVC or metal), Edge Cover (PPGI steel sheet 0.5mm), Ventilation (stainless steel), Crane (5 tons to 20 tons)
Q355B prefabricated steel building structure with H-section columns and beams
Building Structure Types
Single-Span Structures

Clear-span steel buildings with single uninterrupted space, ideal for garages, workshops, and small to medium warehouses.

Multi-Span Structures

Multiple spans supported by columns for large warehouses, industrial buildings, and commercial spaces requiring flexible layouts.

Portal Frame Structures

Rigid frames with moment-resisting connections for industrial buildings, factories, and large-scale storage facilities.

Space Frame Structures

Three-dimensional interconnected steel frameworks creating large open spaces with high strength-to-weight ratios, suitable for airports and exhibition halls.

Hybrid Structures

Combination of steel with concrete, timber, or glass to optimize material properties for diverse applications.

Various types of prefabricated steel building structures and applications
Key Advantages
  • Cost Saving: 25% lower cost per square meter compared to conventional buildings with reduced installation expenses
  • Quality Control: Factory fabrication with strict quality monitoring throughout design, engineering, and manufacturing
  • Quick Erection: Pre-fabricated steel members connected with bolts for fast, step-by-step installation
  • Flexibility: Customizable designs, easy future expansion, and economical transportation
  • Energy Efficiency: Environmentally friendly solution with CO2 reduction, energy efficiency, and recyclability
Design & Quotation Process

We provide comprehensive design services and accurate quotations based on your project requirements. Please provide:

  • Project progress status and government licensing
  • Intended usage (warehouse, workshop, factory, office)
  • Building location and local climate conditions (wind speed, snow load)
  • Building dimensions (length × width × height)
  • Crane beam requirements (5-20 ton capacity)
  • Roof and wall panel material preferences
  • Window and door specifications (material, quantity, type)
Steel building design and engineering process with technical drawings
Global Certifications & Project Experience

Our company holds CE certification (EN1090), International Ordinary Steel Structure High-grade Certificate, and China Overseas Contract Project Operation Qualification Certificate. We have successfully completed projects in over 130 countries including Canada, Australia, Germany, France, Brazil, England, and the United States.

International steel building project cases and certification documentation
Comprehensive Service Support
Pre-sale Services
  • Custom plan drawings and accurate budget preparation
  • Professional site-specific recommendations
  • Market updates on steel prices, shipping costs, and exchange rates
  • Quality inspection reports and certification documentation
After-sale Services
  • Detailed construction drawings and installation manuals
  • Guaranteed manufacturing speed and material quality
  • Weekly production schedule updates with progress photos
  • Experienced construction teams available for on-site installation
Steel building installation process and construction team support
Installation Support

Before delivery, we provide detailed construction drawings and installation videos for online support. Our experienced construction personnel can be dispatched to your location for on-site installation guidance when required.

Professional steel building installation with technical guidance
Frequently Asked Questions
What kind of company are you?

We are a steel structure building manufacturer located in Qingdao, China.

Can you offer design service?

Yes, our engineering team provides comprehensive design services including architectural drawings, structure diagrams, processing detail drawings, and installation documentation.

Do you offer installation service?

We provide detailed construction drawings and manuals for step-by-step installation. Our engineers can also be sent to your location for on-site assistance.

How to get a quote?

Contact us online or by email with your drawings, or provide building dimensions and local weather conditions for accurate quotation.

What's the payment term?

30% deposit with 70% balance payment before shipment.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Qingdao Xinguangzheng Xinyuan Construction Engineering Co., Ltd.
Location No. 268 Shenzhen Road, Pingdu City, Qingdao, Shandong Province.
Contact Person Della

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