Quanzhou Ridge Steel Structure Co.,Ltd.
| Application | Steel Workshop,Steel Fabricated House,Warehouse,Industry building,stadium |
| Door | Steel Door,Sliding door/Rolling door,Rolling door or sandwich panel door,rolling up gate,Sliding Door or roller door |
| Main structure | C type purlin,Welded or hot rolled H section steel,Z type purlin |
| Delivery Time | 45days |
| Roofing | Sandwich Panel. Single Steel Sheet |
| Payment Terms | L/C,T/T |
| Packaging Details | naked |
| Grade | Q235 Q345B,Hot Rolled Steel,Sandwich Panel,G350,ASTM |
| Surface treatment | Hot Dip Galvanised,Blast Cleaning,Ball blasting or Painting,Galvanized,Anti-rust painting |
| Application fields | Steel Structure Workshop Warehouse Hangar House,Steel Structural Fabrication Construction,Building,workshop plant/warehouse/hangar,plant |
| Main frame | H Beam and comlumns |
| Supply Ability | 20000 square meters per month |
| Standard | GB,ASTM,AISI,DIN,BS |
| Model Number | RGM73 |
| Brand Name | QZ RIDGE |
| Place of Origin | FUJIAN,CHINA |
| Certification | CE,SGS |
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Product Specification
| Application | Steel Workshop,Steel Fabricated House,Warehouse,Industry building,stadium | Door | Steel Door,Sliding door/Rolling door,Rolling door or sandwich panel door,rolling up gate,Sliding Door or roller door |
| Main structure | C type purlin,Welded or hot rolled H section steel,Z type purlin | Delivery Time | 45days |
| Roofing | Sandwich Panel. Single Steel Sheet | Payment Terms | L/C,T/T |
| Packaging Details | naked | Grade | Q235 Q345B,Hot Rolled Steel,Sandwich Panel,G350,ASTM |
| Surface treatment | Hot Dip Galvanised,Blast Cleaning,Ball blasting or Painting,Galvanized,Anti-rust painting | Application fields | Steel Structure Workshop Warehouse Hangar House,Steel Structural Fabrication Construction,Building,workshop plant/warehouse/hangar,plant |
| Main frame | H Beam and comlumns | Supply Ability | 20000 square meters per month |
| Standard | GB,ASTM,AISI,DIN,BS | Model Number | RGM73 |
| Brand Name | QZ RIDGE | Place of Origin | FUJIAN,CHINA |
| Certification | CE,SGS |
We manufacture made-to-order steel buildings for customers seeking reliable structural solutions for new construction projects.
From small storage sheds to large-scale distribution facilities, our steel buildings are manufactured to meet your project dimensions and functional requirements. Our services include structural engineering, steel fabrication, surface treatment, component inspection and export packing to support smooth installation on site.
From compact storage sheds to large industrial facilities, our steel structures can be customized to match your functional and technical requirements..
The design process considers:
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 |
Main structural connections are designed for efficient bolted installation, reducing the need for on-site welding and fabrication.
Typical installation equipment includes:
Before loading containers, we conduct a full factory inspection to ensure smooth installation on site.
We verify:
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.
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.
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 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.
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) |
| Foundation | Helical pile foundation suitable for frozen soil conditions |
The project timeline depends on the building size, design complexity, and destination.
Typical process:
Most standard steel building projects can be delivered within 10–14 weeks after order confirmation.
Yes.Our engineering team provides a complete structural solution, including:
The design can be customized according to your project requirements and local wind, snow, and seismic conditions.
Yes, we can provide installation support according to your requirements.
Options include:
Our bolted steel structure system is designed for efficient assembly with local labor.
Yes. Width, length, height, roof slope, frame spacing, doors, windows, insulation and other features can be customized.
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.
Need a reliable steel structure for your next project?
Whether you require a storage shed, machinery shelter, production workshop or large-span warehouse, we can customize the building to suit your needs.
Contact us with your dimensions, site location and project specifications to get started with a tailored quotation.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1998
Total Annual:
40000000-50000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Quanzhou RIDGE Steel Structure Co. Ltd. was established in Quanzhou China, a professional manufacturer of steel structure with 20 years exporting experience, finished 1820 projects total 7600000 square meter.We have 2 modern factories with a total area of 21000 m2,20000 tons aunual produce... Quanzhou RIDGE Steel Structure Co. Ltd. was established in Quanzhou China, a professional manufacturer of steel structure with 20 years exporting experience, finished 1820 projects total 7600000 square meter.We have 2 modern factories with a total area of 21000 m2,20000 tons aunual produce...
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