Quanzhou Ridge Steel Structure Co.,Ltd.
| Span Range | Up to 40 meters |
| Material | Steel |
| Delivery Time | 45 days |
| Carbon Structural Steel | Q235 Q355 |
| Application | Steel Workshop, Steel Fabricated House, Warehouse, Industry building, stadium |
| Primary Framing | H column and beam |
| Structure Type | Building Steel Structure |
| Standard | GB, ASTM, AISI, DIN, BS |
| Purlin Surface | Galvanized |
| Payment Terms | L/C,T/T |
| Main Frame | Q235B or Q355b Grade Steel |
| Roof Insulation | EPS/Firberglass Wool/Rock Wool/PU |
| Supply Ability | 20000 square meters per month |
| Product Name | Fabricated and Galvanized Steel Structures |
| Shape | Portable Frame Or Heavy Steel Frame |
| Drawing | Custom as Your Demand |
| Surface Treatment | Galvanized, Painted, Powder Coated |
| Warranty | 5 Years |
| Grade | Q235 Q345B, Hot Rolled Steel, Sandwich Panel, G350, ASTM |
| Packaging Details | naked |
| Model Number | RS-2601211503 |
| Brand Name | QZ RIDGE |
| Certification | CE,SGS |
| Place of Origin | FUJIAN, CHINA |
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Product Specification
| Span Range | Up to 40 meters | Material | Steel |
| Delivery Time | 45 days | Carbon Structural Steel | Q235 Q355 |
| Application | Steel Workshop, Steel Fabricated House, Warehouse, Industry building, stadium | Primary Framing | H column and beam |
| Structure Type | Building Steel Structure | Standard | GB, ASTM, AISI, DIN, BS |
| Purlin Surface | Galvanized | Payment Terms | L/C,T/T |
| Main Frame | Q235B or Q355b Grade Steel | Roof Insulation | EPS/Firberglass Wool/Rock Wool/PU |
| Supply Ability | 20000 square meters per month | Product Name | Fabricated and Galvanized Steel Structures |
| Shape | Portable Frame Or Heavy Steel Frame | Drawing | Custom as Your Demand |
| Surface Treatment | Galvanized, Painted, Powder Coated | Warranty | 5 Years |
| Grade | Q235 Q345B, Hot Rolled Steel, Sandwich Panel, G350, ASTM | Packaging Details | naked |
| Model Number | RS-2601211503 | Brand Name | QZ RIDGE |
| Certification | CE,SGS | Place of Origin | FUJIAN, CHINA |
| High Light | light gauge steel prefabricated warehousing ，eco-conscious steel building frames ，LEED-ready prefab steel structures | ||
Our Ridge Bolted Steel Building System is a fully pre-engineered, light-gauge steel structure designed specifically for industrial warehousing, workshops, and commercial storage. Unlike traditional welded frames that require skilled on-site welding and long curing times, our system is 100% workshop-fabricated in our 25,000m² Quanzhou facility. Every column, rafter, and purlin is precision-punched and cut, then shipped to your site with numbered bolts and matching accessories. Your local crew only needs hand tools and a crane to erect it – no welding torches, no fire hazards, no quality variance.
| Core Specification | Detail |
|---|---|
| Frame Material | Q345B / Q235B Low-Carbon Structural Steel |
| Connection Type | High-strength Bolted Joints (Grade 10.9) |
| Clear Span Capability | Up to 48 meters (column-free) |
| Eave Height | Customizable from 4m to 18m |
| Roof/Wall Cladding | Single-sheet steel, zinc-coated, or insulated sandwich panels (EPS, Rockwool, PU, Glasswool) |
| Add-on Ready | Integrated brackets for overhead cranes, mezzanine floors, and conveyor systems |
| 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.
Q1: Can I have a visit to your factory before the order?
A: Why not? Welcome to visit our factory. You can fly to Fujian Quanzhou Airport, then we will pick you up at the airport, hotel booking service is available.
Q2:ls your price competitive compared with other companies?
A:Our business objectives are to give the best price with same quality and best quality with the same price. We will do everything we can to reduce your cost and guarantee you get the best product that you paid for.
Q3:Do you accept container loading inspection?
A:You are welcomed to send an inspector, not only for the container loading, but any time during the production time.
Q4:Do you offer designing service for us?
A:Yes, we could design full solution drawings as your requirements.By using AutoCAD ,PKPM ,3D3S,Tekla Structures (X steel) etc., we can design complex industrial building like office mansion, super marker, auto dealer shop,shipping mall, 5 stars hotel.
Q5:What is the delivery time?
A:Delivery time depends on order quantities. ln general, the delivery time to nearest seaport in China will be 30 days after receiving deposit.
Q6:How can you get a quotation for your projects?
A:You can contact us by email, phone, TM, WhatsApp and so on 24*7 and you will get reply within 8 hours. Firstly, please send us your project details and your requirements. Then we will design accordingly, free of charge. Afterwards, please check and confirm whether you like the drawings. If not, we shall get the drawings revised until your confirmation.
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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