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Quick Details

  • Standard: AISI, ASTM, BS, DIN, GB, JIS
  • Grade: Q235 Q345B
  • Dimensions: H BEAM AND BOX COLUMN
  • Place of Origin: Beijing, China (Mainland)
  • Brand Name: DUOWEI
  • Model Number: Q345B and Q235B
  • Type: Light
  • Application: Steel Workshop
  • Name: Prefabricated Structural Steel
  • Material: Q345B and Q235B
  • Drawing design: AutoCAD PKPM MTS 3D3S
  • Installation: Engineers Guidance
  • Surface treatment: Hot Dip Galvanized and painted
  • Certificate: ISO9001:2008

Packaging & Delivery

Packaging Details steel frame packing ,pallet packing or according to customers' requirements
Delivery Time 15 days after
Company Information


We are Duowei Union Group, one of the leading PEB manufactures in China. With 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 ,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


Steel Structures
1 High grade to meet customers' request
2 Fully technical and drawing support
3 Container shipment support


Engineering design capability: Based on the concept of modern design and corresponding national standards, we provide the customers with the most optimized design high-efficiently with the use of advanced internal aid design software, such as REI,PKPM and 3D3S.We also provide a complete set of production and installation drawings of steel structure to ensure the high-efficient and accurate operation.


Product quality control: DUOWEI Group has always adhered to market development road featuring profit coming out of quality, and constantly enhance the vitality of enterprises. And its enterprise quality control system has passed GB/T19001: 2000 international standards for national certification and international accreditation. With the expansion of product mix, the processing becomes more mature, and the quality control system more perfect, effective, scientific and product quality improved.


Light steel structure system: DUOWEI Groups way of processing and installing the steel structure includes the installation of steel structure of light and single-layered medium-sized factories and warehouses, single-layered heavy plants, large-span public buildings, high-and ultra-high-rise buildings, multi-storey industrial buildings, office buildings and residential building; railways, large long-span bridges and urban roads, urban elevated road; tower mast structure, industrial platforms and racks; removable and movable the structures. These structures are widely used in the modern industrial construction, civil construction, public buildings, municipal works, road and bridge projects. it has high strength, light weight, good material, high reliability and short-duration, high level of industrialization and is used by more and more designers and house owners.

   The light steel structure construction of DUOWEI Group of adopts the light steel structure which is popular worldwide and we follow the relevant domestic norms and regulations. And we design them by using advanced computer-aided design software and we manufacture and process them by using the advanced domestic equipment with great care. Thus we ensure the optimization and perfection of the building systems and construction quality fundamentally.



Light steel structure building is a new type of building structure system, which is formed by the main steel framework linking up H-section, Z-section, and U-section steel components, roof and walls using a variety of panels and other components such as windows and doors
Light steel structure building is widely used in warehouses, workshops, large factories, and more
Wide span: single span or multiple spans, the max span is 36m without middle column
Low cost: unit price range from USD35/m2 to USD70/m2 according to customers request
Fast construction and easy installation
Long using lifespan: up to 50 years
Others: environmental protection, stable structure, earthquake resistance, water proofing, and energy conserving
The main frame (columns and beams) is made of welded H-style steel
The columns are connected with the foundation by pre-embedding anchor bolt
The beams and columns, beams and beams are connected with high intensity bolts
The envelop construction net is made of cold form C-style purlins
The wall and roof are made of color steel board or color steel sandwich panels, which are connected with the purlin by self-tapping nails
Doors and windows can be designed at anywhere which can be made into normal type, sliding type or roll up type with material of PVC, metal, alloy aluminum, sandwich panel, and more
Welcome to use our light steel structure system.




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 customers’ requirements.

Sea transport: ISO containers 20GP and 40HQ

Payment terms: T/T and L/C at sight based on FOB and CNF




Our Services

1. Professional design and engineering team: Full solution for site camp design. We could make the design for whole camp as per your requirement.


2. Procurement and Manufacture for all material for prefabricated building. We have a professional procurement team to make sure all the materials are with good quality. And our factory operation under ISO standard, to make sure the fabrication works with high technology.


3. Site management & Installation supervision, We could send our engineers to help for the installation supervision, you just need to prepare a team which know normal construction works will be OK.


4. Engineer guider : When construction need , we can arrange engineer guider to help you , and also offer detail construction drawings for you .


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