Quanzhou Ridge Steel Structure Co.,Ltd.
| Delivery Time | 45 days |
| Span Range | Up to 40 meters |
| Transport And Load | Container Shipment |
| Service | Design, Manufacture, Delivery |
| Surface Treatment | Galvanized, Painted, Powder Coated |
| Surfacetreatment | Galvanized or painted |
| Payment Terms | L/C,T/T |
| Primary Framing | H column and beam |
| Carbon Structural Steel | Q235 Q355 |
| Fireresistance | Up to 2 hours |
| Structure Type | Portal Frame Steel Structure |
| Supply Ability | 20000 square meters per month |
| Product Name | Fabricated and Galvanized Steel Structures |
| Structure | Steel Structure |
| Productname | Building Steel Structure |
| Life Of Service | More Than 50 Years |
| Roof Insulation | EPS/Firberglass Wool/Rock Wool/PU |
| Usage | Industrial buildings, warehouses, commercial complexes |
| Frame | Steel Structure |
| Accessory | Gutter ;Downspout ;Roof Ventilator |
| Purlin Section | Q235 C Channel or Z Channel |
| Grade | Q235B,Q345B or as per customer's need |
| Packaging Details | naked |
| Wall | EPS PU Rookwool Sandwich Panels |
| Connection | Bolt Connection |
| Certification | CE,SGS |
| Model Number | RS-2601211503 |
| Place of Origin | FUJIAN, CHINA |
| Brand Name | QZ RIDGE |
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Product Specification
| Delivery Time | 45 days | Span Range | Up to 40 meters |
| Transport And Load | Container Shipment | Service | Design, Manufacture, Delivery |
| Surface Treatment | Galvanized, Painted, Powder Coated | Surfacetreatment | Galvanized or painted |
| Payment Terms | L/C,T/T | Primary Framing | H column and beam |
| Carbon Structural Steel | Q235 Q355 | Fireresistance | Up to 2 hours |
| Structure Type | Portal Frame Steel Structure | Supply Ability | 20000 square meters per month |
| Product Name | Fabricated and Galvanized Steel Structures | Structure | Steel Structure |
| Productname | Building Steel Structure | Life Of Service | More Than 50 Years |
| Roof Insulation | EPS/Firberglass Wool/Rock Wool/PU | Usage | Industrial buildings, warehouses, commercial complexes |
| Frame | Steel Structure | Accessory | Gutter ;Downspout ;Roof Ventilator |
| Purlin Section | Q235 C Channel or Z Channel | Grade | Q235B,Q345B or as per customer's need |
| Packaging Details | naked | Wall | EPS PU Rookwool Sandwich Panels |
| Connection | Bolt Connection | Certification | CE,SGS |
| Model Number | RS-2601211503 | Place of Origin | FUJIAN, CHINA |
| Brand Name | QZ RIDGE | ||
| High Light | Professional steel structure engineering services ，Building steel structure material optimization ，Steel structure construction timeline services | ||
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.
Key Features
1. Full Code Compliance — Wherever You Build
| Standard | Application Region |
| EN 1090-2 EXC2/EXC3 | Europe, UK, Middle East |
| UKCA / CE Marking | United Kingdom, European Union |
| NBCC + CSA S16 | Canada |
| AISC 360 / ASCE 7 | United States, Caribbean |
| AS/NZS 1170 | Australia, New Zealand, Pacific Islands |
| SANS 10160 / SANS 10162 | South Africa, Sub-Saharan Africa |
2. Bolt-Together System — No Site Welding
3. Factory Pre-Assembly Inspection
4. Custom Engineering for Your Climate
| Load Type | Design Range | Example |
| Snow load | Up to 5.0 kPa | Northern Canada, Scandinavia, Alps |
| Wind speed | Up to 250 km/h (70 m/s) | Hurricane zones, coastal Australia |
| Seismic | Zone 0 to Zone 4 | New Zealand, Japan, Chile |
| Temperature | -45°C to +50°C | Arctic to desert environments |
5. Corrosion Protection That Lasts
In-house roll-forming & fabrication – No middleman, direct quality control.
Full engineering package – Including structural calculation, foundation drawing, and assembly manual.
Global shipping experience – Containers optimized, CNF/CIF to over 40 countries.
12-month warranty against corrosion & structural defects.
| Item | Material | Description and surface process | |
| Main steel frame | Column and Beam | Q235 or Q355 | H section steel with two coats of mid-gray paint |
| Purlin | Q235 or Q355 | Galvanizd C or Z type steel | |
| Connecting Pieces | Tie tube | Q235 | Circular Tube with two coats of mid-gray paint |
| Knee-Bracing | Q235 | L50*4 Galvanizd angle steel | |
| Strutting piece | Q235 | φ12 Galvanizd Circular Tube | |
| Column Bracing | Q235 | Circular Tube with two coats of mid-gray paint | |
| Horizontal Bracing | Q235 | Circular Tube with two coats of mid-gray paint | |
| Casing | Q235 | φ30*2.5 Galvanized Circular Tube | |
| Door and Window | Item | Description | |
| Door | Roller shutter door or Sliding door | ||
| Window | PVC Window or aluminum alloy window | ||
| Other parts | Ventilating device | Fan,Ventilation window | |
| Bolt | Foundation bolt,High strengthen bolt,Normal bolts | ||
| Skylight | Yx-840 Glass Fiber Reinforced Plastics | ||
| Out/Inner ridge tile | 0.50mm Color sheet | ||
| Crane beam | Q235 or Q345 H section steel with two coats of mid-gray paint | ||
Our main hardware and equipment
rock wool production line, Frame CAD light steel keel production system, modern CNC C-shaped steel composite plate production line, plasma cutting machine, shearing machine, uncoiling machine, shot blasting machine, intersecting line cutting machine, plate rolling machine , Submerged arc welding machine, CNC plane drill, SKLH gantry type automatic welding machine, SHHJ flange correction machine, 3D CNC cutting machine, etc.
We take continuous testing during the production process and quality inspection of the finished products to strictly ensure that the finished products comply with various countries.
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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