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Quick Details

  • Place of Origin: Beijing, China (Mainland)
  • Brand Name: Duowei
  • Model Number: Q235 &Q345
  • Material: Steel
  • steel grade: Q235 &Q345
  • materail: galvanized & paint
  • oxidation resistance: corrosion resistance
  • Product name: steel structure
  • Surface treatment: Hot Dipped Galvanized and paint
  • Color: RAL COLOR
  • Certificate: ISO 9001:2008
  • Standard: ANSI/NAAMM-MBG531
  • Type: Light STEEL

Packaging & Delivery

Packaging Details pallet packing or steel frame with wheel packing, wood box packing or according to customers' requirements , when loading will used for 40HQ AND 40GP, 40OT CONTAINERS
Delivery Time 25 days after received deposit
Company Information


Duowei Union Group has been awarded with many high-level certificates such as State Qualification Class-A for Construction Engineering Design, Qualification Class A for Steel Structure Design, Qualification for Professional Manufacturing of Steel Structure, Quality Management System ISO 9001:2008, Environmental Management System GB/T 24001-2004/ISO14001:2004, Occupational Health and Safety Management System GB/T 28001-2011/OHSAS 18001:2007, FM Approval and GOST Certificate.


As a leader in the industry for innovation, we have the capacity, technology and experience to ensure your next steel structure building to be an aesthetic and durable landmark.


Besides the total solution of steel structure, we also provide good quality of truss floor deck, PU sandwich panel, rock/glass wool sandwich panel, EPS sandwich panel, color steel corrugated sheet, c/z purlin and etc. Please kindly let us know which kind of materials you need and some basic project information so that we could advise with the suitable proposition and follow up with professional and dedicate service.

Product detail:

lowest price and high quality steel structure 




Material Grade



Yours requirements

Place Of Origin

Beijing China (Mainland)

FOB Price

US $ 20 - 150 / Square Meter


Tianjin port

Minimum Order Quantity


Supply Ability

1200 Ton/Tons per Month

Payment Terms


Quality Control

The third party ,SGS,ASIA INSPECTION all accept

Delivery Term

Within 30 days after signed contract


According yours requirement,Usually bundle with steel strip

Delivery Container


Our Experience

Have exported for 20years,clients from all over the world


Our special:

1) Production according welding rules a = 0.7 x thickness of web;

2) Continuous welding on both sides of each piece;

3) Holes made by drilling machine;

4) Shot blasting material before paint, painting with synthetic prime paint, painting with air pistol;

5) Own the hot dip galvanize zinc pool;

6) Mark every beam on the bottom plate for being saw after being galvanized;

7) Send pictures to the buyer by email during products being processed and loaded in container;

8) Near the Tianjin port, only need 1.5hour by car, the land transport cost cheaper;

 lowest price and high quality steel structure 


How to build a steel building? You should kindly give us the following data:

Design Data

1.live load on roof(KN/M2)  

2.wind speed(KM/H)  

3.snow load (KG/M2) if have

4.earthquake load if have 

5.crane (if have), lift height, lift capacity




3.eave height 

4.roof slope


1.single slope OR double slope  

2. muti slope OR single span

3. double-span OR Multi-span 

4.single floor OR two floors

Inter column

5m, or 6m….

Windows & Door




4.PVC or aluminum

Column &Beam

straight cross-section OR Variable cross-section


Roof &Wall Panel

1.colorfull corrugated steel sheet   0.326~0.8mm thick ,YX28-205-820(820mm wide),

2.sandwich panel with EPS ,ROCK WOOL, PU etc, insulation thickness around 30~300mm

3.sheet+glass fiber (thick 50mm~200mm)


1.C purlin size:120~C320,Z 2.purlin size100~Z200


Do you need the skylight belts, Ventilators, down pipe, out gutter etc?

Surface Treatment

Shot blasting with anti rust paint or hot dip galvanize


Light Steel Structure---lowest price and high quality steel structure 


Steel structure processing is one of the main business of Beijing Duowei eispt international project technology co.,ltd. The product plant is located in Beijing,China. The production factory is qualified construction company which has the steel structure special design Grade A level and national steel structure professional contract. DuoWei Union Group is one of the largest steel structure company in Beijing and have got a certificate of ISO9001:2000 quality management system in 2001.


Product: Workshop, Warehouse Tower, non-standard component.

Steel: Q235B/Q345B lowest price and high quality steel structure .

Service: shot blasting, painting, galvanize.

Within 45 days after receipt of L/C or deposit.













Our Services

In the oversea project, such as Mongolia, Russia, Africa, Iraq, Spain, Brazil, Ye men, Sri Lanka, Chile, Ghana,Algeria,Sudan,Italy Bracket,Kazakhstan, Senegal,Ukraine,Columbia,Namibia,Niger,Tajikistan,Thailand,Burma ,Australia,Sweden and etc

Main projects at board



Tajikistan Huzhengte Swimming Pool




Ghana Aircraft Maintenance Hanger



Mongolia Flour Factory



Beijing Jinyan Restaurant for APEC



Mongolia Dunjinggarav shopping center



 Lucy pan: 008613811342623


whasapp: 008013811342623


skype: lucypan01

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