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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
  • Color: RAL ANY COLOR
  • Certificate: ISO 9001:2008
  • Standard: ANSI/NAAMM-MBG531

Packaging & Delivery

Packaging Details pallet, steel frame with wheel packing, wood box or as customers requirements . When shipped will be used for 40HQ AND 40GP CONTAINERS
Company Information

We are Duowei Union Group, one of the leading PEB manufactures in ChinaWith more than 30 years of steel structure fabrication and 7 production bases, we are proud of the quality reputation we've earned as the steel and metallic panels producer of choice for international projects like office, hotel, warehouse, factory, hangar, gymnasium, high rise buildings , steel structure bridges, steel structure road , prefabricated house and etc.


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.


Product Description


Product detail:



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;


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


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.


Service: shot blasting, painting, galvanize.

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


Main projects at home and abroad




Steel Structure Warehouse




Ghana Aircraft Maintenance Hanger



Mongolia Flour Factory



Beijing Jinyan Restaurant for APEC



Mongolia Dunjinggarav shopping center





Packaging & Shipping

 In general, for steel structure , we use the steel frame packing to keep goods not to be broken . For sandwich panel and color steel sheet, we use the factory packing which is suited to transport. if clients require , also can use the steel frame packing or according to their requirements.



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 so on 

Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
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