Quanzhou Ridge Steel Structure Co.,Ltd.
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Product Specification
| High Light | steel structure building technologies ，high-performance steel building structures ，cost-effective steel structure construction | ||
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.
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:
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 military 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 |
| 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 |
| 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 |
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.
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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