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Qingdao Doublegrand Metal Products Co., Ltd.

Steel Structure Building, Steel Structure Workshop, Pre-Engineered Workshop manufacturer / supplier in China, offering Steel Structure Workshop / Steel Structure Industrial Building / Pre-Engineered Workshop (DG2-009), 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 workshop Steel Structure Workshop / Steel Structure Industrial Building / Pre-Engineered Workshop (DG2-009)

Steel Structure Workshop / Steel Structure Industrial Building / Pre-Engineered Workshop (DG2-009)

FOB Price: US $55 / Square Meter
Min. Order: 200 Square Meters
Min. Order FOB Price
200 Square Meters US $55/ 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.: DG2-009
  • 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: SGS
  • HS Code: 7308900000
Product Description
Example steel stucture industrial building:
1. Size: 80x40x9m ( eave height) 10%slope
2. Wind 23m/s snow load: 70kg/m2
3. Roof and wall: 100mm rock wool sandwich panel
3. Total steel weight: 120Ton Q345B & Q235B steel structure
4. Surface treatment: Painted
5.4 rolling up door
6. Two line window belts


*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 workshop/Industrial 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. etc.
Detailed  description  of  steel structure construction factory building
DimensionLengthcustomer  designed
Widthcustomer  designed
Heightcustomer  designed
Weather  conditionWind  speedm/s  or  km/h
Snow  loadkg/m2
Life  span                            25-50  years
Steel  FrameMain  FrameQ345B  &   Q235
Secondary  FrameQ235  C  or  Z  section  Purlin,   Round  Bar
Bracing Angle  brace,   Welded  Pipe
Maintenance  FrameWall  &   Roof  claddingSingle  color  corrugated  steel  sheet
EPS,   Glass  wool,   Rockwool,   PU,   etc  sandwich  panel
Steel  sheet  THK.   : 0.3-0.7mm
Heat  Insulation  THK.: 50-150mm
SurfacePanited  surfaceAntirust  paint, total  thickness:   100-120um;   Warranty  period:   18-20  years
Hot  dip  galvanized  surface65, 86um;   Warranty  period:   45-50  years
AccessoriesDoorSliding  door; Rolling  up  door; Folding  tip-up  door; PVC  door
WindowPVC  window; Aluminum  alloy  window
                Drainage  system
Delivery  time20-25days
Shipmentsteel  frame  is  packed  in  40' OT  container,   Maintenance  frame  and  others  are  packed  in  40' GP  or  40' HQ

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