• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Standard: AISI, ASTM, BS, DIN, GB, JIS
  • Grade: Q235 Q345B
  • Dimensions: Customers' Requirement
  • Place of Origin: Beijing, China (Mainland)
  • Brand Name: DUOWEI
  • Model Number: Q345B Q235B
  • Type: Light
  • Application: Steel Workshop
  • Name: Steel Structure Steel Frame Buildings
  • Material: Q345B AND Q235B
  • Drawing design: AutoCAD PKPM
  • Surface treatment: Painting AND HOT GALVANIZED
  • Installation: Engineers Guidance
  • Certificate: ISO9001:2008

Packaging & Delivery

Packaging Details: steel frame packing, pallet packing or as customers' requirement
Delivery Detail: 15 days after received prepayment
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.

 

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 Description

 

Steel structure design common norms are as follows:

 

  • "Steel Design Code" (GB50017-2003)
  • "Cold-formed steel structure technical specifications" (GB50018-2002)
  • "Construction Quality Acceptance of Steel" (GB50205-2001)
  • "Technical Specification for welded steel structure" (JGJ81-2002, J218-2002)
  • "Technical Specification for Steel Structures of Tall Buildings" (JGJ99-9)

 

Commonly used steel grades and performance of steel

 

  • Carbon structural steel: Q195, Q215, Q235, Q255, Q275, etc.
  • High-strength low-alloy structural steel
  • Quality carbon structural steel and alloy structural steel
  • Special purpose steel

 

Specifications:

 

 

 

Main Steel: Column and beam(H-section), square steel tube,C/Z purlin

 

Conection Method: Welding or hot rolled or cold rolled

 

Wall&Roof: EPS,Rockwool,PU sandwichpanel, Corrugated steel sheet with fiber glasswool

 

Door: Rolled up door or Sliding door(sandwich panel)

 

Window: Plastic steel or Aluminum alloy window

 

Surface: Hot dip galvanized or painted.(all colours we can do)

 

Crane: 5T,10T,15T,ect.

 

Bolt: Foundation bolt(M24,Q235),

 

         High strengthen bolt(M20X70) ,

 

         Normal bolts(M16x50;M12X30)

 

 

Drawings&Quation:

 

 

1.Customized design to welcome.

 

2.As long as you like, we can design and provide drawings for you.

 

3.In order to give yo an exactly quotation and drawings,pls tell us the ;Length,width,eave height and local weather. we'll quote for you asap.

 

 

Tems:

 

 

Payment : L/C or by T/T(30% prepaid as depsit, the balance 70% before shipment)

 

Delivery time : 15~40 days,usually as customers's order

 

Shipment : 20'GP, 40'GP,40'HQ, 40'OT or in bulk

Specifications

1), Comply with GB, ASTM... ISO9000;
2), Exquisite surface;
3), Steady structure;
4), Low cost, high benefit.

1), Comply with GB, ASTM,....ISO9000;
2), Exquisite surface;
3), Steady structure;
4), Low cost, high benefit.

5), Excellent design team
6), Strict quality control
7), Manufacture according to the international standard

8), Custom design available (design and produce under customer's requirements)

9), Good market reputation for all kinds of steel structure buildling.

Specifications

Usage: Workshop,office,warehouses, single-layered heavy plants, large-span public buildings, multi-storey industrial buildings.

 

 

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 .

 

 

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview

Transactions

Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Manufacturer, Trading Company
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $66,000
Learn More