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Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

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Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Model Number : RS-260407

Primary Framing : H column and beam

Door : Rolling / Sliding Door

MOQ : 500 square meters

Delivery Time : 45 days

Warranty : 5 Years

Structure : Steel Structure

Accessory : Gutter ;Downspout ;Roof Ventilator

Price : USD 45~68 square meters

Color : Optional

Structural Subsystem : Canopies, Fascias, Partitions, etc.

Transport Package : Shipping Container

Package : Shipping on Steel Pallets or Containers

Payment Terms : L/C,T/T

Environmentalimpact : Recyclable and eco-friendly

Surface Treatment : Painted or Galvanized

Steel Type : Special Purpose Steel

Door And Window : Sliding, PVC or aluminium

Foundation : Cement Foundation

Supply Ability : 20000 square meters per month

Steel Grade : Q235, Q355

Dimensions : Customers' Requirement, steel structure tents, Customer's Request, round steel, can be Customized

Brand Name : QZ RIDGE

Product Name : Fabricated and Galvanized Steel Structures

Transport And Load : Container Shipment

Fireresistance : Fireproof coating available

Certification : CE,SGS

Structure Type : Building Steel Structure

Place of Origin : FUJIAN, CHINA

Carbon Structural Steel : Q235 Q355

Wall Cladding : Corrugated Sheet or Sandwich Panel

Packaging Details : naked

Surfacetreatment : Galvanized/painted

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Prefabricated Steel Structure Buildings — Engineered, Fabricated, and Delivered Worldwide

Whether you need a 500 square meter farm shed or a 15,000 square meter logistics center, the prefabricated steel structure buildings provided by Quanzhou RIDGE Steel Structure Co., Ltd. combine China's manufacturing efficiency with full compliance with local building codes. With 20 years of export experience and serving over 60 countries, we make one commitment: Your steel will be ready when it arrives.

What Is a Prefabricated Steel Structure Building?

A prefabricated steel structure building is a bolt-together steel frame system in which every column, rafter, purlin, and connection plate is precision-cut, drilled, and welded in our factory — then containerized and shipped to your site for rapid assembly.

Unlike traditional on-site steel fabrication (which is slow, weather-dependent, and expensive in most countries), our approach delivers:

  • 30–50% faster construction compared to conventional steel erection
  • Zero on-site welding — 100% bolted connections
  • Lower total project cost through factory efficiency and reduced site labor
  • Consistent quality — every component passes dimensional inspection before packing
  • This is not a "steel kit." This is a fully engineered structure, designed to your local wind, snow, and seismic loads.

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Building Types We Deliver

  • Category Typical Span Applications
    INDUSTRIAL WAREHOUSE 18–36m Logistics centers, distribution hubs, e-commerce fulfillment
    FACTORY WORKSHOPS 15–30m Manufacturing plants, assembly lines, processing facilities
    HANGAR 30–80m Civil and aviation, MRO facilities
    AGRICUTURAL BUILDINGS 10–20m Poultry houses, livestock barns, crop storage, riding arenas
    COLD STORAGE 10–25m Temperature-controlled warehouses, food processing
    SHOWROOMS 15–30m Retail spaces, vehicle showrooms, exhibition halls
    SPORTS BUILDING 20–50m Indoor arenas, gymnasiums, swimming pool enclosures
    PERSONAL USE 8–16m Private workshops, garages, equipment sheds, hay barns

Technical Specifications

Primary Steel Frame

Component Material Standard
Columns Q355B / S355JR welded H-section GB/T 11263 / EN 10025-2
Rafters Q355B / S355JR welded H-section (tapered) GB/T 11263
Base plates Q235B / S235JR, 16–25mm thick GB/T 3274
Connection bolts Grade 10.9 high-strength friction-grip bolts GB/T 1228 / EN 14399
  • Secondary Structure
Component Material Specification
Purlins Q345B / S350GD cold-formed Z or C section GB/T 6725 / EN 10149-2
Girts Q345B / S350GD cold-formed C section GB/T 6725
Bracing (roof/wall) Ø20–25mm round steel with turnbuckle GB/T 699
Tie rods Ø12–16mm round steel GB/T 699
  • Enclosure System
Type Thickness Application Thermal Performance
Single-skin steel sheet 0.4–0.6mm Agricultural, open-sided Minimal
EPS sandwich panel 50–100mm Warehouses, workshops U = 0.40–0.70
Rock wool sandwich panel 50–150mm Fire-rated, public buildings U = 0.25–0.45
PIR sandwich panel 50–150mm Cold storage, cold climate U = 0.18–0.25
Single-skin + glass wool blanket 50–100mm + liner sheet Large-span, budget-sensitive U = 0.35–0.50

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Quality Assurance:

We enforce a "Zero-Defect" protocol through continuous in-process monitoring and final product inspection, ensuring every component meets the rigorous standards of international building codes.

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs

Frequently Asked Questions
  • How long does it take from order to delivery?
  • Typical timeline: design & engineering 15–25 working days + fabrication 25–50 working days + ocean freight (varies by destination; e.g., 22 days to West Africa, 30 days to Europe, 35 days to East Coast North America). Most projects arrive on site within 10–14 weeks of order confirmation.
  • Can you handle the structural design and calculations?
  • Yes. Our in-house engineering team produces a complete structural package — frame analysis, connection design, foundation reaction tables, and anchor bolt layouts — referenced to your local building code. We can also coordinate with your local engineer of record for plan review and permit submission.
  • What about installation? Do you provide site supervision?
  • We strongly recommend our site supervision service for first-time clients: an experienced erection supervisor travels to your site to guide your local crew through the assembly. For repeat clients with trained crews, the bolt-together system is designed for self-erection using our color-coded manual.
  • Do you provide CE / UKCA certification?
  • Yes. Our fabrication facility holds EN 1090-2 EXC3 certification (the highest execution class for steel structures). We issue a Declaration of Performance (DoP) and CE/UKCA marking for all shipments to the European Union and United Kingdom.
  • What is the minimum order?
  • There is no fixed minimum — we handle everything from a single 200㎡ farm shed to a 30,000㎡ multi-building industrial park. Pricing per square meter improves with volume, but we treat every project with the same engineering rigor.
  • How is the steel packed and shipped?
  • All components are bundled, labeled, and containerized with a detailed packing list keyed to the erection drawings. Bolts and small accessories are packed in clearly marked plywood crates. We use export-grade fumigated timber dunnage and VCI (volatile corrosion inhibitor) wrapping for ocean freight.

Innovative Building Steel Structure technologies that enhance structural performance and reduce construction time and costs


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