Quanzhou Ridge Steel Structure Co.,Ltd.
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Heavy Duty Steel Structure Prefab Building For Large Warehouse Industrial Building Construction

Product Details

Place of Origin: FUJIAN,CHINA

Brand Name: QZ RIDGE

Certification: CE,SGS

Model Number: RSM23

Payment & Shipping Terms

Minimum Order Quantity: 500 square meters

Price: USD 55~68 square meters

Packaging Details: naked

Delivery Time: 45days

Payment Terms: L/C,T/T

Supply Ability: 20000 square meters per month

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Highlight:
Insulation Option:
EPS / Rockwool / PU Sandwich Panel, 50–150mm
Purlin:
C/Z Pulin(Galvanized)
Material:
Portal Frame Steel Structure
Surface Processing:
Painted Or Galvanized
Product Name:
Warehouse
Steel Grade:
Q235B/Q355B
Wall & Roof Cladding:
PPGI/PPGL Color-Coated Steel Sheet, 0.4–0.8mm
Installation:
Professional Engineer Guidance Or On-Site Supervision
Insulation Option:
EPS / Rockwool / PU Sandwich Panel, 50–150mm
Purlin:
C/Z Pulin(Galvanized)
Material:
Portal Frame Steel Structure
Surface Processing:
Painted Or Galvanized
Product Name:
Warehouse
Steel Grade:
Q235B/Q355B
Wall & Roof Cladding:
PPGI/PPGL Color-Coated Steel Sheet, 0.4–0.8mm
Installation:
Professional Engineer Guidance Or On-Site Supervision
Heavy Duty Steel Structure Prefab Building For Large Warehouse Industrial Building Construction
Heavy Duty Steel Structure Prefab Building For Large Warehouse Industrial Building Construction
Why Choose Our Prefabricated Steel Buildings?

Our prefabricated steel buildings combine advanced engineering, efficient manufacturing, and international export experience.

From initial design to final shipment, every project is carefully controlled:

1. Professional Engineering
Our engineers design each building according to project requirements, including dimensions, local climate conditions, and structural loads.

2. Factory Manufacturing
All steel components are produced in our factory with precise cutting, welding, drilling, and surface treatment.

3. Easy Transportation & Installation
The complete structure is packed efficiently into containers and assembled on-site with bolted connections.

4. Quality You Can Trust
Before delivery, all components are inspected to ensure accuracy and smooth installation.

A prefabricated steel building from us means faster construction, lower cost, and dependable long-term performance.

Key Features of Our Steel Structures
1. Engineered for Global Building Standards

We don't provide one-size-fits-all buildings. Every steel structure is designed according to your local codes, climate conditions, and project requirements.

Applicable Standards:

Standard Application Regions
EN 1090-2 EXC2/EXC3 Europe, UK, Middle East
UKCA / CE Marking UK & EU
NBCC + CSA S16 Canada
AISC 360 / ASCE 7 USA & Caribbean
AS/NZS 1170 Australia, New Zealand & Pacific Islands
SANS 10160 / SANS 10162 South Africa & Africa

Complete Documentation Package Includes:
✓ Structural calculations
✓ Material certificates
✓ Welding procedure specifications (WPS)
✓ NDT inspection reports
✓ Declaration of Performance (DoP), where required

2. Bolt-Together System — Faster & Easier Installation

Our steel frames are designed for bolted assembly, minimizing on-site work and reducing installation risks.

Your installation team only needs:
✓ Mobile crane or telehandler
✓ Standard hand tools & torque wrenches
✓ Color-coded erection drawings

Benefits:
✓ No on-site welding required
✓ No welding inspection delays
✓ Faster construction with fewer weather limitations
3. Factory Pre-Assembly Inspection Before Shipping

Before loading containers, we conduct a full factory inspection to ensure smooth installation on site.

We verify:

✓ Column-to-rafter and rafter-to-rafter connection alignment
✓ Base plate accuracy and anchor bolt dimensions
✓ Brace lengths and connection angles

Inspection reports, photos, and measurement records are provided with the shipment documents — helping you avoid unexpected issues during installation.

4. Designed for Your Local Climate Conditions

Every building is engineered based on actual environmental loads:

Load Type Design Capability
Snow Load Up to 5.0 kPa
Wind Speed Up to 250 km/h (70 m/s)
Seismic Design Zone 0–4
Temperature Range -45°C to +50°C

From cold regions to coastal areas and high-wind zones, our structures are designed for reliable long-term performance.

5. Long-Lasting Corrosion Protection

Steel durability starts with proper protection.

Standard Protection:
✓ Hot-dip galvanizing ≥85μm zinc coating
✓ Tested according to ISO 1461

For harsh environments, we offer:

✓ Heavy galvanizing ≥140μm
✓ Duplex coating system (Galvanizing + Epoxy Primer + Polyurethane Topcoat)
✓ Stainless steel fasteners (A2-70 / A4-80)
✓ Weathering steel (Corten steel) upon request

Suitable for coastal areas, industrial environments, and projects requiring extended service life.

Steel structure building construction overview Industrial warehouse steel framework
Project Case Study | 480㎡ Agricultural Machinery Workshop in Canada
Project Overview

Location: Ottawa Valley, Ontario, Canada
Building Type: Agricultural Machinery Repair Workshop
Building Area: 480㎡ (16m * 30m)
Eave Height: 4.5m
Ridge Height: 6.0m
Application: Farm equipment repair, maintenance, and winter storage

Customer Requirements
  • The client needed a practical and reliable workshop that could provide:
  • Enough space for large agricultural machinery
  • Strong structural performance under heavy snow loads
  • Good thermal insulation for cold climate conditions
  • Fast construction with reduced on-site work
  • Long service life with low maintenance requirements
Engineering Solution

A customized prefabricated steel building solution was designed according to local climate conditions and project requirements.

Item Specification
Structure Portal frame steel structure with welded H-section steel
Design Clear span design for agricultural machinery operation
Wall System 75mm Rock Wool Sandwich Panels
Roof System 100mm Rock Wool Sandwich Panels with anti-condensation layer
Doors 1 * Electric Roller Door (4.5m * 5.0m)
Personnel Door 1 * Door (3.0m * 3.0m)
Foundation Helical pile foundation suitable for frozen soil conditions
Project Advantages:
  • Designed for heavy snow and cold climate
  • Excellent thermal insulation performance
  • Fast installation with prefabricated components
  • Reduced on-site construction difficulties
Frequently Asked Questions (FAQ)
1. How long does it take to complete a steel building project?

The project timeline depends on the building size, design complexity, and destination.

Typical process:

  1. Design & Engineering: 15–20 working days
  2. Fabrication & Quality Inspection: 25–50 working days
  3. Shipping: Depends on destination port

Most standard steel building projects can be delivered within 10–14 weeks after order confirmation.

2. Can you provide structural design and engineering drawings?

Yes.Our engineering team provides a complete structural solution, including:

  • Steel structure design
  • Shop drawings
  • Connection details
  • Foundation reaction information
  • Anchor bolt layout
  • Installation drawings

The design can be customized according to your project requirements and local wind, snow, and seismic conditions.

3. Do you provide installation service?

Yes, we can provide installation support according to your requirements.

Options include:

  • Detailed installation drawings and manuals
  • Online technical guidance
  • On-site installation supervision service

Our bolted steel structure system is designed for efficient assembly with local labor.

4. What types of buildings can you manufacture?

We provide customized prefabricated steel buildings for:

  • Warehouses
  • Workshops
  • Factories
  • Agricultural buildings
  • Aircraft hangars
  • Machinery storage buildings
  • Commercial buildings
5. What materials are included in your steel building package?

A complete steel building package may include:

  • Main steel frame (columns & beams)
  • Roof purlins and wall girts
  • Bracing system
  • Roof and wall panels
  • Doors and windows (optional)
  • Accessories and connection components

The package can be customized based on your project needs.

6. How do you ensure product quality?

Quality control is carried out throughout the manufacturing process:

  • Raw material inspection
  • Welding quality control
  • Dimensional inspection
  • Surface treatment inspection
  • Packing inspection before shipment

All components are checked before delivery to ensure smooth installation on site.

7. What information do you need before quotation?

To provide an accurate quotation, please share:

  • Building size (width * length * height)
  • Building location
  • Application of the building
  • Wind and snow load requirements (if available)
  • Door and window requirements
  • Insulation requirements

If drawings are available, please send them for a more accurate proposal.

Customer Feedback

— Farm Owner, Queensland, Australia

"I didn't think I'd be writing a testimonial for a Chinese steel shed, but here we are. To be completely honest, I went with you because the price was 30% under the local quote and I figured even if it was 'good enough', I'd be ahead. What I got was frankly better than the Australian-made shed I put up in 2019. The coating is holding up beautifully through two Queensland wet seasons, the roller doors are smoother, and the natural ventilation design means my hay comes out of storage in visibly better condition. Colour me surprised — and converted. I've told my neighbour, and he's already asked for your contact."

— Norwegian Seafood Export Company — Operations Vice President

"Honest feedback: the energy performance data speaks louder than anything I can say. Our third-party energy auditor measured the new cold store at 12% lower kWh per cubic meter than the Norwegian-built facility we opened three years ago. The thermal bridge detailing at the column bases and door frames — something we flagged during the drawing review — was executed to a standard we frankly did not expect. If your next Nordic client wants a reference call, put them in touch. I will take that call."

Steel structure engineering documentation Quality control and certification processes
Steel building component packaging Completed steel structure building project
Our Promise: Quality Craftsmanship, Tailored Solutions
We deliver durable, efficient, and customized steel structure buildings that meet your specific industrial and warehouse requirements with professional engineering support and comprehensive after-sales service.