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Qingdao Doublegrand Metal Products Co., Ltd.

Steel Structure Building, Prefabricated Steel Building, Steel Structure manufacturer / supplier in China, offering Prefabricated Steel Structure Building for Industry/Agriculture, Prefabricated Steel Structure Mobile Buildings (DG3-045), Prefabricated Building Roof & Wall EPS Sandwich Panel (DG9-004) and so on.

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Supplier Homepage Product Steel structure building Prefabricated Steel Structure Building for Industry/Agriculture

Prefabricated Steel Structure Building for Industry/Agriculture

FOB Price: US $35-80 / Square Meter
Min. Order: 200 Square Meters
Min. Order FOB Price
200 Square Meters US $35-80/ Square Meter
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Port: Qingdao, China
Production Capacity: 3000 Tons
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DG3-070
  • Usage: Steel Structure Building
  • Customized: Customized
  • Welding Method: Auto Aubmerger Arc Welding, Hand Welding
  • Painted Thickness: 60-80um
  • Trademark: Double Grand
  • Specification: CE
  • HS Code: 7308900000
  • Material: Steel Structure
  • Certification: ISO
  • Surface Treatment: Zinc Coating, Spray-Painting, Ball Blasting
  • Welding Test: Ultrasonic Testing, X-ray Testing
  • Hot DIP Galvanized Thickness: 80um
  • Transport Package: Bulk Shipment
  • Origin: Qingdao, China
Product Description
Steel structure industrial workshop with crane and mezzanine floor:

1. Size: 120*75*11m( eave height) 10%slope
2. Wind 23m/s snow load: 80kg/m2 no earthquake
3. Total steel weight: Q345B & Q235B steel structure
4. Maintenance: 50mm Glass wool sandwich panel
5. Surface treatment: Painted
6. With middle column
7.500mm brick wall

*High quake-proof, water proof and fire proof
*Easy to install and maintenance
*Fast construction, save time and labor cost
*Prefabricated and customized design
*High space efficiency
*Life time: Over 25-50years
*Environment friendly
*Nice appearance

*Main frame: Q345B/ Q235B hot rolled H beam or welded H beam
*Secondary frame: C/Z purlin
*Bracing: Angel and round pipe
*Connection: Normal bolts and High strength bolt
*Maintenance: Sandwich panel: EPS, Rock wool, Glass wool, 50-150mm thickness
Colorful corrugated steel sheet: 820 type, 0.3-0.6mm thickness
*Window: Sliding window, skylight belts etc
*Door: Sliding door, rolling up door, upgranting door etc
*Guttering system
*Other accessories.

Our service:
-Quotation according to yours drawing
-Design and quotation according to yours requirements
-Delivery the entire steel building to you by containers;
-Offer all the detailed drawings for installation and fabrication.

We are manufacturer of various steel structure building, like warehouse, workshop, houses etc.
Prefabricated Steel Structure Building for Industry/Agriculture


Project Name

steel structure


total length and width, roof and eave height, roof pitch, etc

Roof and Wall

option: EPS, fiber glass, rock wool or PU sandwich panel

Door and Window

PVC or Aluminum alloy; sliding door or rolled door

Column and Beam

option:hot rooled or welded H section, I section; painting or galvanized


option:C-Section or Z-section

Local Climate

1.wind speed  
2.snow load 
3.rain quantity 
4.earthquake grade if have
More details is preferred.

Crane Parameter

 If need crane beam, crane tons parameter and lift height are needed


 1. according to clients' drawing 

 2. design as per clients' dimension and requests


Naked loaded in shipping container or as per requests.


 20 GP,  40HP, 40 GP,  40 OT
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