structure steel packing building

Company Information   DUOWEI Union Group Co., LTD. as a group corporation enjoying a competitive edge in the field of steel structure and new building boards, was founded in 1983 with the registered capital being 126 million yuan, whose headquarters is located in Zhongguancun Fengtai Science Park, Beijing. In the 1980s, the young DUOWEI Company has achieved professional advantages in the field of building metal profiled plates, and thenceforward it rapidly grew into an integrated enterprise group combining with design, manufacturing, construction, services and international trade. It is the main provider and market leader of steel structure and new construction boards in China. DUOWEl currently has 16 branches and 10 manufacturing plants respectively in Beijing, Tianjin, Hebei, Shenyang, Harbin, Baotou and Urumqi, whose products have been exported to over 40 countries and regions around the world. Today, DUOWEI has grown as an enterprise with such honors as Famous Trademark of China, the Best General Service Provider of Steel Structure Building System of China, the Leader of China's New Energy-efficient Construction Board Industry, China’s Top 30 Construction Enterprises in the Steel Structure Industry, the High and New Technology Enterprises in Beijing, the High and New Technology Enterprises in Zhongguancun. DUOWEI is the main co-compiler of 16 national standards and industrial standards, and possesses the National Qualification of Class A in Architectural General Design, the Qualification of Grade A in Steel Structure Engineering Special Design, the Special-grade Qualification of Steel Structure Manufacturing, the Qualification of Class A in Professional Contracting for Steel Structure Projects and the certificate of ISO 9001: 2008 International Quality Management System Certification. DUOWEI benefits its cooperative partners continuously, like the building owners and investors, with exquisite technologies, high-quality products and differentiated services. DUOWEI steel structure products featured in high-rise steel structure, space steel structure, heavy frame steel structure and light steel structure, has reached to 250 thousand tons in annual production; the annual production capacity of DUOWEI polyurethane energy-saving sandwich boards, new fireproof rock wool/glass fiber cotton sandwich boards has reached to 3 million square meters;The annual production capacity of DUOWEI adjustable steel truss floor support plates and closed composite slabs is 5 million square meters; and the annual production capacity of DUOWEI colorful profiled steel plates has reached to 30 million square meters.  the DUOWEI Union Group has been making successes in serving PetroChina, Aerospace China, China Nuclear Power, China FAW, China Guodian, China CNR, China Coal and other super large enterprises, and participating in national key projects, such as Hexie locomotive, National Grand Rocket, National Large Aircraft, Aerospace Coal Gasification, etc., and the group will continuously provide customers with innovative products and high-quality engineering 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 .       Product Description  Steel stucture building is a new type of building structure system . The main steel frame is formed by linking up H-section,Z-section and U-section steel components while roof and wall using a variety of sandwich panels. Characteristics: 1. Possesses a wide span , with either a single or multiple spans and can have a maximum span clearance distance in 36m without middle columns. 2. Low cost with unit price ranging from USD20to USD70per square meter FOB according to customer's requirements. 3. Fastconstruction and easy installation 4. Has a service life of more than 50 years 5. The warehouses are also environmentally friendly , have a stable structure , are earthquake resistance, water proof , and energy saving Product application: widely used as industry factory building , warehouse , gymnasium, poultry shed , school and medical clinic,garage, hangar, etc. Main Components

1.	Main steel frame :	Steel Welded H Section or hot rolled H section (specification Q235 , Q345 ) for columns and beams
	Secondary frame :	hot dip galvanized C purlin , steel bracing , tie bar , knee brace , edge cover etc.
2.	Roof panel :	EPS sandwich panel , glass fiber sandwich panel , rock wool sandwich panel , and Pu sandwich panel or steel sheet
	Wall panel :	Sandwich Panel or Corrugated Steel Sheet
	Tie Rod:	Circular Steel Tube
	Brace:	Round Bar
	Column & Transverse Brace:	Angle Steel or H Section Steel or Steel Pipe
	Knee Brace:	Angle Steel
	Roof Gutter:	Color Steel Sheet
	Rainspout:	PVC Pipe
3.	Door:	Sliding Sandwich Panel Door or rolling Metal Door
	Windows:	PVC/Aluminum Alloy Window
	Connecting:	post feet bolts, intensive bolt , intensive bolt
4.	Packing:	according to the pack list made by our engineer
5.	Drawing:	We can make the design and quotation according to your require or your drawing

Main Materials: 1.Q235,Q345 H section steel structure for columns and beam 2. Pre-embedding anchor bolts for connection columns to foundation 3. Intensive bolts for connection tween columns and beams. 4. Wall/roof panel: one layer corrugated stee plate or sandwich panels 5. Windows/door . PVC, aluminium alloy , steel etc. 6. Color steel plate or galvanized steel gutters and pvs tubes for rain water Design Common Norms 1."SteelDesignCode"(GB50017-2003) 2."Cold-formedsteelstructuretechnicalspecifications"(GB50018-2002) 3."ConstructionQualityAcceptanceofSteel"(GB50205-2001)4."TechnicalSpecificationforweldedsteelstructure"(JGJ81-2002,J218-2002) 5."TechnicalSpecificationforSteelStructuresofTallBuildings"(JGJ99-98) Need Quotation? 1.Data for design *Wind speed(KM/H)
*Snow load (KG/M2) *Rain load (KG/M2)
*Earthquake load if have
*Demands for doors and windows
*Crane (if have) ,Crane span, crane lift height, max lift capacity, max wheel pressure and min wheel pressure! 2.material quality *Windows and doors quantity,size and location *Roof and wall material ,sandwich panel or corrugated steel sheet (steel sheet can not heat insulation) 3.Type *size--width,length,eaveheight and roofslope *single slope or double slope *single floor,double floor or multi floor FAQ: 1. How to buy your idea products? A: TT and L/C are acceptable and TT will be more appreciated. 50% deposit before producing, 50% balance before loading by TT. 2.What is the delivery time? A: It depends on order quantities. Generally speaking, the delivery time will be within 15 to 40 days. 3. How to pack the products? A: We use standard package. If you have special package requirements, we will pack as required, but the fees will be paid by customers. 4.How to install after the goods arriving destination? A: We will provide detailed illustrations to you. If it is necessary, we will send technicians to help you. However, the visa fee, air tickets         Packaging & Shipping   According to container size,container of 20 feet:Inside capacity is 5.69m x 2.34m x 2.18m,Gross weight of allocation is generally 17.5 ton,volumn is 24-26m3. container of 40 feet:Inside capacity is 11.8m x 2.34m x 2.18m,Gross weight of allocation is generally 22 ton,volumn is 54m3. HC container of 45 feet:Inside capacity is 13.58m x 2.34m x 2.71m,Gross weight of allocation is generally 29 ton,volumn is 86m3.   1) packing the pipes into the bundles by the steel strip (2) packing the welded steel structure parts by some fabric (3) packing the small parts by bags and EPS foam (4) packing sets parts by some box