Prefabricated Large Span Factory Customized Design Building Steel Structure Warehouse
1. Introduction to Large-Span Steel Structures
Large-span steel structures refer to buildings with significant spans where the primary load-bearing components are made of steel. Key features include:

• Large Spans: Typically exceeding 30 meters, suitable for large public buildings such as stadiums, exhibition centers, and airport terminals.
• High Strength: Steel offers excellent strength, enabling it to bear heavy loads and support complex designs.
• Rapid Construction: Prefabricated components can be manufactured off-site and assembled on-site, reducing construction time.
• Flexible Design: Steel’s malleability allows for intricate architectural forms and spatial designs.

2. Material Overview
Common materials used in large-span steel structures include:

• High-Strength Steel: Such as Q345 and Q390, known for superior mechanical properties, used in primary load-bearing structures.
• Weathering Steel: Resistant to corrosion, suitable for outdoor exposure.
• Galvanized Steel: Treated with zinc for enhanced corrosion resistance, used in secondary components or connectors.
• Aluminum Alloy: Lightweight and corrosion-resistant, often used in roofing and curtain wall systems.
• Composite Materials: Such as fiberglass, used for special parts or decorative elements.
  

  1. Features

  • Large Spans: Typically exceeding 30 meters, ideal for large public buildings such as stadiums, exhibition centers, and airport terminals.
  • Lightweight Structure: High strength of steel allows for smaller cross-sections, reducing the overall weight and foundation load.
  • Efficient Construction: Prefabricated components enable off-site manufacturing and on-site assembly, shortening construction time.
  • Flexible Design: Steel’s malleability supports complex architectural forms and spatial designs.
  • Excellent Seismic Performance: Steel’s ductility and toughness effectively absorb seismic energy.

  2. Advantages

  • Cost-Effectiveness: Steel is recyclable, and the short construction period reduces overall costs.
  • Durability: Anti-corrosion treatments (e.g., galvanizing, painting) extend the lifespan of steel structures.
  • Environmental Friendliness: Steel structures minimize construction waste and are recyclable, aligning with sustainable development principles.
  • High Space Utilization: Large-span designs reduce internal support columns, providing more usable space.
  • Strong Adaptability: Suitable for various terrains and climatic conditions, meeting diverse needs.
  
  

  Steel structure building
  1. Primary Framing		Box beam column, cross steel column, H-shaped steel column, steel beam
  2. Secondary Framing		Galvanized Z and C sections purlin
  3. Roof and Wall panels		Steel sheet and insulated sandwich panels (EPS, fiberglass wool and PU).
  4. Steel Decking Floor		Galvanized steel decking board
  5.Structural subsystem		Divider, gutter, awning, partition wall
  6.Mezzanines, Platforms		Painted or galvanized H beam
  7.Other Building Accessories		Sliding doors, roll up doors, aluminium windows, louvers, etc.
  Service Life	50-70years		support	steel angle, steel pipe, steel round
  Place of Origin	Qingdao,Shandong,China		Application	workshop, warehouse, poultry house,garage etc
  Grade	Q235B, Q355B or as per customer's need		Bolt Grade	M20, M16, M14 etc
  Connection	intensive bolt, ordinary bolt		Window	PVC steel or aluminum alloy
  Downspout	PVC pipe or as per customer's request		Door	sliding or rolling door
  Purlin	C/Z shape profile		Panel	EPS/PU/fiber glass/rock wool
  Main Frame	Welded or hot rolled H-shaped steel, columns, beams, box beams and columns
  Drawings & Quotation:
  (1) Customized design is welcomed.
  (2) In order to promise an accurate quotation and drawings, please let us know the length, width, eave height and local weather.We will quote for you promptly.

  Our Service

  I. We would offer you the proposed design plan and the most valuable quotation based on the parameter of the following information.

  1. Building Dimension: Length*width*height, eave height, roof type etc.
  2. Doors and windows: Dimension, quantity, position to put them if you have your own requirements.
  3. Local climate: Wind speed, snow load, earthquake etc.
  4. Insulation material for roof and wall: Sandwich panel or single metal sheet.
  5. Crane if have: Do you need crane beam inside the steel structure? And its capacity.
  6. If have other requirements, such as fire proofing, isolated roof ,roof ventilation and daylighting etc, please kindly inform us.
  II. In accordance with your requirement, our experienced engineers would provide the best program.
  III. We would give the best service to our client, including design, manufacturing,installation and after-sale service etc.

  We can provide the service of installation, supervision, and training by extra. We will dispatch our engineers team to your country to guide the assemble work, and we will provide the detailed professional installation drawings and guide installation service team keep 24-hour online service ,they will help you to install your steel structure building .

  IV. QC processing:

  1. Every one week meeting for Quality Audit to solve the weakness during processing and procedures

  2. Every two weeks meeting for employee training.

  3. Producing as to the International Steel Structure Standard with ISO 9001 Quality Control System

  4. Each project, every 1 months, connect with clients for feedback and complaints, then improve the quality control actions.

  5. Quality inspection report for every process during production. Ensure 100% good quality products.
  

  FAQ

  I. What kind of Industry Steel Workshop do you need?

  There are very experienced, expertised engineers in our company who can design whatever shape of buildings as your request. Your building is a major investment and you take it seriously. So do we! .

  II:Are you manufacturer or trade company?

  We are professional manufacturer of steel structure building.

  III:Do you offer guiding installation on site overseas for warehouse building?

  Yes, we can provide the service of installation, supervision, and training by extra. We will dispatch our engineers team to your country to guide the assemble work, and we will provide the detailed professional installation drawings and guide installation service team keep 24-hour online service ,they will help you to install your steel structure building .

  IV. What's the quality assurance you provided and how do you control quality?
  We have professional QC team monitoring the quality at all stages of the manufacturing process - raw materials, in-process materials, validated or tested materials, finished Goods and packing the Goods, we also accept the third party International inspection agencies to inspection the quality such as SGS,BV etc.

  V. Could you offer designing service?

  We have complete engineering team and we are using the state of the art designing and manufacturing software, Tekla, Advance Steel,Auto CAD, PKPM, MTS, 3D3S, Search etc. We are capable of designing and offering your economical solution to your needs if there is any inquiry. Please do not hesitate to contact which will be at your disposal at any time. Please note preliminary costing and design will be done at no extra cost.

  
  IV:Is there any warranty available on the steel structure buildings?

  The steel structure buildings have limited warranty. Usually,steel structure houses with long use lifespan which can reach 50 to 100 years which depending on material quality, design standards, construction quality, and subsequent maintenance.

  

Qingdao Yidongxiang Steel Structure Co., Ltd.founded in 2002,The company is an innovative enterprise focusing on the steel structure construction industry which has been engaged in steel structure construction industry for more than 20 years. We are one of the biggest manufacturers of steel buildings in China with capacity over 10000 tons monthly,we have complete engineering team to provide customers with integrated system solutions from  technical construction,engineering design,program customization,manufacturing,installation and construction. We have successfully completed overseas projects in North America, South America, Asia and South Asia, Africa etc, and exported products to more than 80 countries and regions.

Based on the principles of innovation, cooperation, and integrity,our company is committed to providing our high-quality products and after-sales services to worldwide clients. We have unique competitive advantages in steel structure construction and we can provide customized solutions for customers.

Our company has obtained CE certification(EN 1090 certificate),ISO9001,ISO14001,ISO45001 certification. we also have got class one for the steel structure engineering professional contracting,class one for building decoration engineering professional contracting, class two for building engineering construction general contracting ,class two for municipal public Engineering construction general Contracting , class two for fire fighting facilities engineering professional contracting,class two for building curtain wall engineering professional contracting , class three for Urban and road lighting engineering professional contracting , class GB1, GB2, GC2 for special equipment pressure pipeline Installation , construction labor and other qualifications.Our company has been rated as a national AAA level credit enterprise in terms of quality, service and reputation.

 In recent years, our company has continuously introduced professional and technical talents, with engineering team for more than 50% of the total number of employees. we have strong technical and good business philosophy. At present, our company is a member unit of China Steel Structure Association, Qingdao Municipal Association, and Qingdao Heating Association.After 20 years of development, the company has established an excellent team integrating research and development, technology, sales, production, quality inspection and logistics. From product design to project work, we can provide professional and high-quality services. We look forward to working with you.