Product Details
Place of Origin: FUJIAN,CHINA
Brand Name: QZ RIDGE
Certification: CE,SGS
Model Number: RSM25
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
Purlin: |
C/Z Purlin |
Product Name: |
Warehouse |
Surface Processing: |
Painted Or Galvanized |
Steel Grade: |
Q235B/Q355B |
Wall & Roof Cladding: |
PPGI/PPGL Color-Coated Steel Sheet, 0.4–0.8mm |
Material: |
Portal Frame Steel Structure |
Insulation Option: |
EPS / Rockwool / PU Sandwich Panel, 50–150mm |
Installation: |
Professional Engineer Guidance Or On-Site Supervision |
Purlin: |
C/Z Purlin |
Product Name: |
Warehouse |
Surface Processing: |
Painted Or Galvanized |
Steel Grade: |
Q235B/Q355B |
Wall & Roof Cladding: |
PPGI/PPGL Color-Coated Steel Sheet, 0.4–0.8mm |
Material: |
Portal Frame Steel Structure |
Insulation Option: |
EPS / Rockwool / PU Sandwich Panel, 50–150mm |
Installation: |
Professional Engineer Guidance Or On-Site Supervision |
A prefabricated steel building is a customized building solution where the complete steel structure is designed, manufactured, and prepared in our factory before being shipped to your project site for installation.
From structural frames and secondary steel members to connection components, every part is precision-engineered and produced under strict quality control to ensure accurate assembly and reliable performance.
Compared with traditional construction methods, prefabricated steel buildings offer:
✓ Faster project completion with factory-made components ready for installation
✓ Lower construction costs by reducing on-site labor and material waste
✓ Better quality control through professional factory manufacturing
✓ Flexible customization for warehouses, workshops, agricultural buildings, and industrial facilities
✓ Long-term durability designed for different climates and operating conditions
More than a steel frame, we provide a complete engineered building solution — from design and fabrication to delivery and installation support.
| Category | Component Name | Function | Standards/Notes |
|---|---|---|---|
| Primary Load-Bearing Members | Columns (Vertical) | Support vertical loads | High-strength low-alloy steel |
| Primary Load-Bearing Members | Beams (Horizontal) | Carry floor/roof loads | H-section, I-section most common |
| Primary Load-Bearing Members | Trusses | Long-span roof support | Triangular/parallel chord designs |
| Primary Load-Bearing Members | Bracings (Diagonal) | Resist wind/seismic forces | X/K-type configurations |
| Secondary Members | Purlins (Roof) | Support roof panels | Thickness: 1.5-3.0 mm |
| Secondary Members | Girts (Wall) | Support wall cladding | Spacing: 1.0-2.0 m |
| Connections & Fasteners | High-Strength Bolts | Member connections | M16-M30 common |
| Connections & Fasteners | End Plates | Beam-column joints | Pre-drilled bolt holes |
| Connections & Fasteners | Shear Studs | Steel-concrete composite action | Welded to beams for floor slabs |
| Enclosure Systems | Roof Panels | Weather protection | Standing seam/corrugated types |
| Enclosure Systems | Sandwich Panels (Walls) | Insulation + cladding | Fire rating: A2/B1 |
| Enclosure Systems | ALC Panels (Floors/Walls) | Fire/thermal insulation | Density: 550-650 kg/m³ |
| Accessories | Base Plates | Column-to-foundation transfer | Anchored with cast-in bolts |
| Accessories | Stair Modules | Prefabricated access | Integrated handrails (S304 stainless) |
| Accessories | Crane Rails | Overhead crane support | Welded to column brackets |
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
The client needed a practical and reliable workshop that could provide:
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 |
The project timeline depends on the building size, design complexity, and shipping destination.
A typical schedule includes:
Most projects can be delivered to the site within approximately 10–14 weeks after order confirmation.
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.
Yes. We provide different levels of installation support:
✓ Detailed installation drawings and manuals
✓ Online technical guidance
✓ On-site installation supervision service if required
Our prefabricated steel buildings use bolted connections, making installation faster and more convenient for local construction teams.
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.
A complete steel building package may include:
The package can be customized based on your project needs.
Quality control is carried out throughout the manufacturing process:
All components are checked before delivery to ensure smooth installation on site.
To provide an accurate quotation, please share:
If drawings are available, please send them for a more accurate proposal.
"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."
"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."