Gold Member Since 2012
Audited Supplier
Qingdao Doublegrand Metal Products Co., Ltd.

Steel Structure Warehouse, Steel Structure Workshop, Steel Structure Project manufacturer / supplier in China, offering Steel Structure with Painting or Galvanized Surface Warehouse/Workshop[, Logistic Distribution Center Steel Structure Warehouse (DG1-051), Prefab Movable Modular Container House (DG5-005) and so on.

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Supplier Homepage Product Steel structure building Steel Structure with Painting or Galvanized Surface Warehouse/Workshop[

Steel Structure with Painting or Galvanized Surface Warehouse/Workshop[

FOB Price: US $30-100 / Square Meter
Min. Order: 200 Square Meters
Min. Order FOB Price
200 Square Meters US $30-100/ Square Meter
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Port: Qingdao, China
Production Capacity: 20000ton/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DG3-010
  • Standard: GB, ASTM, DIN, JIS, AISI, BS
  • Forming: Hot-Rolled Steel
  • Member: Steel Beam
  • Carbon Structural Steel: Q235
  • Application: Steel Workshop, Steel Structure Platform, Steel Fabricated House, Structural Roofing, Frame Part, Steel Walkway and Floor, Steel Structure Bridge
  • Welding Method: Auto Aubmerger Arc Welding, Hand Welding
  • Painted Thickness: 60-80um
  • Transport Package: Bulk Shipment
  • Origin: Qingdao, China
  • Type: Light Section Steel
  • Trademark: Quality Carbon Structural Steel and Alloy Structural Steel, DG
  • Connection Form: Welded Connection
  • Type of Steel For Building Structure: High-Strength Steel
  • Residential Wall Structure: Connector
  • Surface Treatment: Zinc Coating, Spray-Painting, Ball Blasting
  • Welding Test: Ultrasonic Testing, X-ray Testing
  • Hot DIP Galvanized Thickness: 80um
  • Specification: Q235, Q345
  • HS Code: 7308900000
Product Description

Main structure of workshop: Welding or hot-rolled H steel section ( Q235 and Q345);
Purlin: C section or Z section steel;
Roof cladding: Sandwich panel or color steel sheet;
Wall cladding: Sandwich panel or color steel sheet;
Window: PVC or Aluminum Alloy;
Door: Sandwich panel sliding or rolling up door;
Tie rod: Circular steel tube;
Brace: Round bar;
Column bracing and horizontal brace: Angle steel or H section steel or steel pipe;
Knee brace: Angle steel;
Roof ridge: Color steel sheet;
Wrapping cover: Color steel sheet;
Roof gutter: Color steel sheet;
Rainspout: PVC pipe;
Connecting: High strength bolts;
Packing: PVC Strip and plastic foam.

And more: 
1. The materials of our steel frame include H steel, C purlin, Z purlin, and galvanized steel plate or sheet. The grade is upon Euro norm S355JRC or American Norm ASTM A572 grade 50 or equivalent to Q345B. 
2. Different type: Single slope, double slope, single span, double-span, multi-span, single floor, double floors are as your demand. The max span is 50m without columan and the height can rise to 50, too. 
3. The columns are connected with the foundation by pre-embedding anchor bolt. 
4. We purchase steel raw material directly from China top steel grope like China Steel Group, AnShan Steel Group and Baosteel Group and so on. 
5. The beams and columns, beams and beams are connected with high-strength bolts. 
6. Our steel building is fast and easy erection. Installation with no errors because we adopts pre-installation before we ship the steel structure to ensure the quality of our steel structure products. 

7. We have our own Quality Control Department to guarantee the required quality for the projects. 
8. We have first-class designer so as to decrease much of the work for civil construction design and shorten the constructing period. 
1. High earthquake-proof, water proof and fire proof;
2. Prevent fire and insect; 
3. Protect environmental, do not produce harmful material;
4. Good shock resistance ability;
5. Protect forest resources;
6. Fast construction, save time and labor cost;
7. Prefabricated and customized design;
8. High space efficiency;
9. Life time: Over 50years;
10. Good safety performance; 
12. Nice appearance.

Steel Structure with Painting or Galvanized Surface Warehouse/Workshop[


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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