Sustainable Steel Structure Factory Prefabricated Large Span
Product Description
Steel structure factory buildings are among the most affordable buildings to erect. As all of the factory building materials are prefabricated, there will be no delay at the building site. Each part of the steel frame fits together perfectly, including the steel panels for roof and wall cladding. This means lower labor costs for installation and no wasted excess building material.
Steel is an economical and environmentally friendly building material. Unlike traditional materials, steel is 100% recyclable and can be re-smelted without losing any of its properties.
Product Specification
- Primary Framing Elements: Columns and beams made of H-section steels (hot rolled or welded), easily bolted together on site with factory primer and protective coatings.
- Secondary Framing Elements: Purlin and tie bar formed as secondary framing, fixed to columns and beams with common bolts.
- Bracing: Round steel supplied with knee bracing and supporting parts to improve structural stability.
- Cladding: Roof and wall covered by color-coated corrugated steel sheet or sandwich panel with zinc-aluminum coating for weather protection.
- Windows and Doors: Plastic Steel/Aluminum-alloy Windows; Sliding/Folding Doors.
- Other Options: Gutter, downpipe, transparent sheet, ventilator, and bridge crane available per client requirements.
| Items |
Specification |
| Main Structure - Column |
Q355, Q235 H-steel, Box column available |
| Rafter, Beam |
Q355, Q235 H-steel |
| Surface processing options |
1. Epoxy zinc-rich primer + epoxy mica intermediate paint
2. Hot dip galvanization |
| Sub Structure - Purlin |
Q355B C/Z steel section, galvanization |
| Angle brace |
Q235B L-steel |
| Cross bracing |
Q235B round bar, L-steel |
| Tie bar |
Q235B round pipe |
| Batter brace |
Q235B round bar |
| Roof System - Roof panel options |
Q235B Steel |
| Wall System - Wall panel options |
Insulated sandwich panel (PU, rock wool, glass fiber, EPS), steel plate, brick wall |
Product Advantages
1. Large Clear Span: Up to 45m with H-section steel, larger spans available with truss roofs.
2. Quality Control: Factory-manufactured under strict quality standards.
3. Low Maintenance Cost: High-quality paint systems ensure durability.
4. Architectural Versatility: Custom designs with various features available.
5. Fast Construction: Prefabricated components reduce erection time.
Project Process
Inquiry: Customer expresses interest in project.
Design and Quotation: Custom solution created based on requirements.
Project Approval: Customer approves design and quotation.
Manufacturing: Components fabricated in factory with quality control.
Shipping: Components packaged and shipped to customer's country.
Installation Support: Construction drawings, videos, and guidance provided.
Project Completion: Fully functional steel structure delivered.



Certification
Qingdao Xinguangzheng holds CE and ISO9001 certifications with decades of experience in steel structure design and fabrication. Our production systems comply with American, European, Russian, Japanese and British standards.
Why Choose Qingdao Xinguangzheng?
Pre-sale Service
- Custom plan drawings and accurate budgets
- Professional recommendations based on site conditions
- Timely updates on steel prices and shipping costs
- Quality inspection reports and certificates provided
After-sale Service
- Detailed construction drawings
- Quality materials and manufacturing
- Weekly production updates with photos
- On-site installation support available
FAQ
What kind of company are you?
We are a steel structure building manufacturer located in Qingdao, China, known for professional service.
What drawings will you supply?
Plan, elevation, sectional, foundation, construction, and installation drawings.
Why is your price lower than other suppliers?
As manufacturers, we offer different grades at competitive prices while maintaining quality.
How about your quality control?
All production processes have strict quality control with relevant certifications.
What's your packing method?
Steel pallet packing or bulk packing available.
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