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Qingdao Doublegrand Metal Products Co., Ltd.

Steel Structure Workshop, Large Span Workshop, Steel Structure Building manufacturer / supplier in China, offering High Rise and Large Span Steel Structure Workshop Building, 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 workshop High Rise and Large Span Steel Structure Workshop Building

High Rise and Large Span Steel Structure Workshop Building

FOB Price: US $30-70 / Square Meter
Min. Order: 200 Square Meters
Min. Order FOB Price
200 Square Meters US $30-70/ Square Meter
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Production Capacity: 3000 Tons
Transport Package: Bulk Shipment
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: DG2-037
  • Usage: Workshop
  • Customized: Customized
  • Welding Method: Auto Aubmerger Arc Welding, Hand Welding
  • Painted Thickness: 60-80um
  • Trademark: Double Grand
  • Origin: Qingdao, China
  • 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
  • Specification: CE
  • HS Code: 7308900000
Product Description


*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


Grade: Q235&Q345 or according to request
Standard: AISI, ASTM, BS, DIN, GB, JIS
Size: Width length eave height roof slope
Base: Cement and steel foundation bolts
Column and beam:
1/ Material Q345(S355JR)or Q235(S235JR) steel, all bolts connection! Straight cross-section or Variable cross-section!
2/ Welded H- steel
1/ X or V made from angle, round pipe
2/Column bracing and transverse bracing: Angle steel, H-section steel or steel pipe
Knee brace: Angle steel
Purlin: C or Z section channel size: C 120-C320; Z100-Z200
Roof and Wall Panel:
1/single colorful corrugated steel sheet (V820) Sandwich panel with EPS, ROCK WOOL, PU
Insulation thickness around 50-150mm, width 950mm
Tie rod: Circular steel tube
Roof ridge: Corrugated steel sheet
Accessories: Semi-transparent skylight belts, Ventilators, Down pipe, Out gutter,
Surface: Paint or hot DIP galvanize


-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.


(1) Size: Length, width, eave height and the rooftop height?
(2) Natural environment condition: Max wind speed KM/H), max snow load (KG/M2) and earthquake
(3) What kinds of roof and wall material? We supply single corrugated color steel sheet and EPS sandwich steel panel.
(4) If you need crane: Tell me the crane span, crane lift height, max lift capacity, wheel pressure!
(5) Any windows and gates? Size and location.
(6) Surface treatment: Paint or hot DIP galvanized?

Pre engineered steel structure building is one of our main products, we can design, manufacture, delivery and install varous steel structure building.

Welcome to our factories, we assure that our products will satisfy your needs with designs, competitive performance price ratio and best services.
Design loadWind speed:100Km/H, snow load: 150kg/m2;no earthquake
Main FrameQ345B Welded H Beam
Secondary FrameQ235 C or Z section Purlin, Round Bar
BracingAngle brace, Welded Pipe
Wall systemsandwich panel
Roof systemsandwich panel
Steel sheet thickness0.5/0.4mm
InsulationEPS panel
Insulation thickness100mm
Down pipeneed
WindowPVC window
DoorElectric upgrading door

personal door
UtilitiesHigh rise steel structure workshop building
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