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Professional Structure Steel Fabrication Manufacturer for Industrial Zone

Steel fabrication is the process of bending, cutting, and modelling steel to form a structure. Structural steel fabrication is when pieces of steel are put together to make different structures that are usually of predefined sizes and shapes.
This process to build Pre Engineered buildings or Steel structural Buildings requires skills and experience, who can take raw components and transform them into marketable products. When you are constructing a replacement residential or commercial building, your most vital goal is to form sure you’ve got a rigid foundation for your building.

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Prefabricated Steel Structure Buildings

High-Strength | Customizable | Fast Global Delivery

Technical Performance Breakdown

Core Structure Specifications

Component Standard Configuration Premium Upgrade Options
Main Frame Welded H-section (Q345B) ASTM A992 Gr.50
Purlins Cold-formed C/Z sections Sigma sections for heavy load
Roof Panel 0.5mm PPGI Standing seam roof system
Insulation 50mm glass wool (R-value 3.2) PIR sandwich panel (R-value 6)
Warranty 25-year anti-corrosion

30-year performance guarantee


Quality Assurance Process

Stage Control Points Certification

  • Raw Material Mill test certificates EN 10204 3.1

  • Fabrication Dimensional tolerance ±2mm ISO 9013


  • Surface Prep Sa 2.5 blast cleaning SSPC/NACE

  • Coating 3-layer epoxy system ASTM D4541

  • Packaging Weather-proof crating ISTA 3E


Why Choose Our Steel Structures?

✅ International Certifications (ISO, CE, ASTM)
✅ 15-30 Days Faster Delivery than industry average
✅ 30% Cost Saving vs traditional construction
✅ 10,000+ Projects completed worldwide since 1997


Project Showcase

0J2A6510

DJI_0312

DJI_0283

Quality Assurance

证书

Get Your Building Quote



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SINCE 1997

About Us
One of the leading steel structure companies in North China is Qingdao Xinguangzheng Steel Structure Co., Ltd.

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