Quanzhou Ridge Steel Structure Co.,Ltd.
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Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel

Product Details

Place of Origin: FUJIAN, CHINA

Brand Name: QZ RIDGE

Certification: CE,SGS

Model Number: RS-2601211503

Document: Ridge Product parameter.pdf

Payment & Shipping Terms

Minimum Order Quantity: 500 square meters

Price: USD 45~68 square meters

Packaging Details: naked

Delivery Time: 45 days

Payment Terms: L/C,T/T

Supply Ability: 20000 square meters per month

Get Best Price
Highlight:

Lightweight large-span steel roof

,

High-capacity multi-storey steel structure

,

Building steel structure with warranty

Product Name:
Fabricated And Galvanized Steel Structures
Primary Framing:
H Column And Beam
Structure Type:
Portal Frame Steel Structure
Roof Insulation:
EPS/Firberglass Wool/Rock Wool/PU
Carbon Structural Steel:
Q235 Q355
Accessory:
Gutter ;Downspout ;Roof Ventilator
Structure:
Steel Structure
Fireresistance:
Up To 2 Hours
Life Of Service:
More Than 50 Years
Type:
Light, Heavy, Heavy Steel Structure, Light Steel Struture, Customized Prefabricated Steel Structure Building
Application:
Steel Workshop, Steel Fabricated House, Warehouse, Industry Building, Stadium
Product Name:
Fabricated And Galvanized Steel Structures
Primary Framing:
H Column And Beam
Structure Type:
Portal Frame Steel Structure
Roof Insulation:
EPS/Firberglass Wool/Rock Wool/PU
Carbon Structural Steel:
Q235 Q355
Accessory:
Gutter ;Downspout ;Roof Ventilator
Structure:
Steel Structure
Fireresistance:
Up To 2 Hours
Life Of Service:
More Than 50 Years
Type:
Light, Heavy, Heavy Steel Structure, Light Steel Struture, Customized Prefabricated Steel Structure Building
Application:
Steel Workshop, Steel Fabricated House, Warehouse, Industry Building, Stadium
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel
Unmatched Corrosion Protection for Coastal Environments

Our galvanised steel warehouse system is engineered to thrive where ordinary steel fails. With a G90/Z275 hot‑dip zinc coating, every component resists rust and pitting even in high‑humidity, salt‑laden air. This makes it the ideal choice for seaside logistics hubs, port‑side storage, and agricultural shelters near coastal regions. You get decades of reliable service without frequent maintenance—saving you both time and money in harsh climates.

 
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel

About us
  • 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.

 ItemMaterialDescription and surface process
Main steel frameColumn and BeamQ235 or Q355H section steel with two coats of mid-gray paint
PurlinQ235 or Q355Galvanizd C or Z type steel
Connecting PiecesTie tubeQ235Circular Tube with two coats of mid-gray paint
Knee-BracingQ235L50*4 Galvanizd angle steel
Strutting pieceQ235φ12 Galvanizd Circular Tube
Column BracingQ235Circular Tube with two coats of mid-gray paint
Horizontal BracingQ235Circular Tube with two coats of mid-gray paint
CasingQ235φ30*2.5 Galvanized Circular Tube
Door and WindowItemDescription
DoorRoller shutter door or Sliding door
WindowPVC Window or aluminum alloy window
Other partsVentilating deviceFan,Ventilation window
BoltFoundation bolt,High strengthen bolt,Normal bolts
SkylightYx-840 Glass Fiber Reinforced Plastics
Out/Inner ridge tile0.50mm Color sheet
Crane beamQ235 or Q345 H section steel with two coats of mid-gray paint

Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel

What if something is missing or damaged during shipping?

  • We provide an assembly kit checklist with every shipment, and we recommend your site team do an inventory count before starting erection. In the rare event of a shortage or transit damage, we ship replacements by air freight at our cost — typically arriving within 5–7 business days.

Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel
Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel

Why Our Clients Choose Us

  • "We've sourced steel buildings from three different countries over the past decade, and this was the smoothest experience by far. All 4,200 bolted connections fit perfectly — not a single hole needed re-drilling."
  • — Operations Director, Logistics Company, Nigeria
  • "Your technical team provided a full EN 1090-2 EXC3 package that our structural engineer described as 'more complete than some European fabricators.'"
  • — Technical Director, MRO Aviation, United Kingdom
  • "I went with you because the price was 30% under the local quote. What I got was better than the Australian-made shed I put up in 2019."
  • — Farm Owner, Queensland, Australia
  • [View All Client Stories →]

Lightweight Large‑Span Roof Design Integrated with High‑Capacity Multi‑Storey Steel