Quanzhou Ridge Steel Structure Co.,Ltd.
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Quick Assembly Prefab Steel Structure Workshop and Storage Building

Product Details

Place of Origin: FUJIAN,CHINA

Brand Name: QZ RIDGE

Certification: CE,SGS

Model Number: RGM75

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

Get Best Price
Highlight:
Material:
Portal Frame Steel Structure
Purlin:
C/Z Pulin(Galvanized)
Insulation Option:
EPS / Rockwool / PU Sandwich Panel, 50–150mm
Wall & Roof Cladding:
PPGI/PPGL Color-Coated Steel Sheet, 0.4–0.8mm
Installation:
Professional Engineer Guidance Or On-Site Supervision
Service Life:
More Than 50 Years
Design Standard:
GB
Warranty:
5 Years
Service:
Design, Manufacture, Delivery
Foundation:
Cement Foundation
Roof Insulation:
EPS/Rock Wool/PU
Surface Processing:
Painted Or Galvanized
Material:
Portal Frame Steel Structure
Purlin:
C/Z Pulin(Galvanized)
Insulation Option:
EPS / Rockwool / PU Sandwich Panel, 50–150mm
Wall & Roof Cladding:
PPGI/PPGL Color-Coated Steel Sheet, 0.4–0.8mm
Installation:
Professional Engineer Guidance Or On-Site Supervision
Service Life:
More Than 50 Years
Design Standard:
GB
Warranty:
5 Years
Service:
Design, Manufacture, Delivery
Foundation:
Cement Foundation
Roof Insulation:
EPS/Rock Wool/PU
Surface Processing:
Painted Or Galvanized
Quick Assembly Prefab Steel Structure Workshop and Storage Building
Quick Assembly Prefab Steel Structure Workshop and Storage Building
Build your factory or workshop with a steel structure tailored to your operational needs.

hether you are planning an industrial shed, a machinery storage building, a production workshop or a customized steel facility, we can tailor the frame configuration and cladding options to your needs. From initial structural planning to manufacturing, quality checks and international shipping preparation, we help simplify the building supply proce

Key Features of Our Steel Structures
1. Custom Structural Design

We do not use a generic structural design for every project. Each building is engineered according to the project location, applicable standards and required structural loads.

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


2. Bolt-Together System — Faster & Easier Installation

Steel components are fabricated in the factory and prepared for on-site installation according to the approved structural drawings.

Typical installation equipment includes:

  • Mobile crane or telehandler
  • Standard hand tools
  • Torque wrench
  • Erection drawings
3. Factory Quality Control

Accurate fabrication helps reduce installation difficulties and improve the fit between structural components. Our factory inspection focuses on key dimensions and connection points before the materials are packed for export.

We verify:

  • Column, beam and rafter dimensions
  • Connection plates and bolt-hole locations
  • Bracing lengths and angles
  • Overall component dimensions
  • Welding and surface treatment
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

The surface protection system is selected according to the project location and environmental conditions

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 solutions can be specified for coastal, industrial and other corrosive environments.

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 customer required a practical, reliable workshop offering ample space for large agricultural machinery, robust structural performance for heavy snow loads, effective thermal insulation for cold‑climate conditions, fast construction with minimized on‑site work, and long‑term service life with low‑maintenance demands.

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 I assemble it myself?

Yes. Our buildings come with installation drawings and guides. For larger buildings, professional installation is recommended.

3. Do I need a concrete foundation?

Concrete foundations are recommended for permanent buildings. Other foundation options may be available depending on the site conditions.

4. Can the steel building be customized?

Yes. Width, length, height, roof slope, frame spacing, doors, windows, insulation and other features can be customized.

5. What is included in the 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.

Tell Us About Your Next Steel Construction Project

Looking for a customized steel frame building for storage, production, farming or commercial use?

We welcome projects of different sizes and configurations. Simply provide your required dimensions, project location and any special requirements.

Our team will evaluate your needs and prepare a suitable proposal covering the steel structure and agreed project specifications.

Steel structure engineering documentation Quality control and certification processes
Steel building component packaging Completed steel structure building project
Our Commitment to Reliable Steel Building Solutions
We are committed to supplying dependable steel structure buildings tailored to your project needs. With careful manufacturing, customized engineering and quality control, we aim to deliver practical solutions for warehouses, workshops and industrial facilities, supported by responsive customer service throughout the project.