Prefabricated Steel Structure Manufacturer

Ultimate Guide for Sunnyda Prefabricated Steel Structure

Are you looking for a reliable partner for your building construction project? Having a hard time searching for the right manufacturer and supplier providing a one-stop service? Keep on reading.

Sunnyda is one of the premier manufacturers of prefabricated steel structure in China. We have a professional team of staff to help you and offer you more choices.

Our prefabricated steel structures are designed to meet all the standards of buildings design and safety. And all components can be pre-engineered like pre-punched, pre-welded, and pre-drilled. That being said, it has maximum endurance to harsh weather conditions.

Sunnyda prefabricated steel structure is designed with excellent corrosion resistance and fire resistance. Also, withstand heavy snow and strong wind. It is efficient and ready for quick assembly and installation.

Moreover, the prefabricated steel structure has the good seismic performance. It will not crack easily making it more efficient in times of earthquakes than other elements. We can assure you that it is environmentally friendly because it can be recycled without pollution. It is available for very affordable prices.

Sunnyda prefabricated steel structure will surely satisfy your target customers and will increase your sales in the market. It is perfect for almost all purposes like warehouses, manufacturing facilities, industrial buildings, welding shops, and steel sheds.

Also suitable for anti-seepage and waterproof, equipment storage buildings, lighting, sound insulation, and many more. Sunnyda provides accurate, reliable, and professional fabrication of steel buildings.

Our prefabricated steel structures are among the most cost-effective and highest quality solutions in China. Ranging from light to heavy steel structures, we can provide the best service for you.

Whether you want to offer the best products to your customers or planning to expand your business, Sunnyda can offer all the help you need in this industry. We can also customized prefabricated steel structure with your chosen designs to fit with your expectations.

Sunnyda already marketed products not only to the domestic market but also in different countries including South America, Africa, Europe, Australia, and more. We’ve been manufacturing prefabricated steel structure for over 20 years.

With all those years of experience, we have the capability to offer you premium quality products with outstanding performance. Our company is also ISO 9001 certified composed of highly skilled engineers and well-trained employees. They are experts in prefabricated steel structures.

We are also equipped with high technology manufacturing machines like straightening machines, CNC cutting machines, gantry welding machines, gas welding machines, and shot blasting machines.

If you are looking for the most reliable manufacturer in this industry, contact Sunnyda now!

Prefabricated Steel Structure FAQ

Table of Contents

Introduction
Q1: What Is Prefabricated Steel Structure?
Q2: What Are The Application Of Prefabricated Steel Structures?
Q3: What Are The Advantages Of Prefabricated Steel Structures?
Q4: Does Manufacturer Provide Design For Prefabricated Steel Structures?
Q5: What Is Required To Design My Prefabricated Steel Structure?
Q6: What Are The Types Of Prefabricated Steel Structures?
Q7: What Are The Fabrication Process Of Prefabricated Steel Structure?
Q8: What Type Of Steel Is Used To Produce Prefabricated Steel Structures?
Q9: What Is Included In A Prefabricated Steel Structure?
Q10: Does Manufacturer Provide Prefabricated Steel Structure Customization?
Q11: What Roof Style Is Best For Prefabricated Steel Structure?
Q12: How Prefabricated Steel Structures Are Protected From Corrosion?
Q13: Who Designs Prefabricated Steel Structure Concrete Slabs?
Q14: What Are The Requirements For The Prefabricated Steel Structure Foundation?
Q15: What Type Of Insulation Is Used For Prefabricated Steel Structure?
Q16: Can Doors And Windows Be Installed On Prefabricated Steel Structure?
Q17: Are Prefabricated Steel Structures Durable?
Q18: Are Prefabricated Steel Structures Fire Resistant?
Q19: Are Prefabricated Steel Structures Earthquake Resistant?
Q20: Are Prefabricated Steel Structures Expandable?
Q21: What Is The Environmental Impact Of Prefabricated Steel Structures?
Q22: Are Prefabricated Steel Structure Meet The International And Local Building Codes?
Q23: What Are The Standards Of Prefabricated Apartments?
Q24: How Long Will It Take To Deliver A Prefabricated Steel Structure?
Q25: What is The Average Cost Of Prefabricated Steel Structure?
Q26: What Is The Difference Between A Manufacturer Of Prefabricated Steel Structure And A Broker?
Q27: What Covers The Warranty Of Prefabricated Steel Structure And For How Long?
Q28: Why China Prefabricated Steel Structure Are Preferred?
Q29: Why Choose Sunnyda Prefabricated Steel Structure?
Q30: Have Any More Questions About Prefabricated Steel Structures? Contact Sunnyda!

Introduction

Here we answer the first questions that come to people’s minds when they are looking for prefabricated steel structures, this guide is designed to provide you with a clear idea about prefabricated steel structure applications, benefits, design and fabrication process, materials used, customization options, and more.

For more information, please contact us.

Q1: What Is Prefabricated Steel Structure?

A prefabricated steel structure is a pre-engineered steel building system that is designed to meet certain specifications and building code regulations, all design and fabrication process including assembly, sub-assembly, cutting, bending, drilling, welding, steel surface treatment and finishing are made in a factory-controlled system and delivered ready to job location to be erected quickly.

The prefabricated steel structure is made from structural steel components that are produced from different steel strengths, specifications, grades, chemical composition and mechanical properties. Prefabricated steel structures are an economical and reliable alternative to conventional building methods; they can be designed to suit various building requirements in terms of structural steel shapes, size, span, and configuration. They can be also customized to fit customers’ functional and aesthetic needs.

Q2: What Are The Applications Of Prefabricated Steel Structures?

Prefabricated steel structures are versatile enough to be used for nearly all building types including residential, community buildings, commercial, industrial, agricultural applications and so on.

Residential

Prefabricated steel structures are modern housing solutions that are engineered to offer maximum efficiency, durability and safety even under the harshest climate conditions and extreme natural events. They are designed mainly to provide long-span and large open spaces; they are versatile enough to fit any building’s functional and visual requirements including architecturally exposed structural steel (AESS).

Community And Institutional Buildings

Prefabricated steel structures are becoming one of the most popular buildings that perfectly fit all community and institutional building needs and requirements; they are used for various applications including recreation centers, education facilities, health care buildings, government institutions, churches and places of worship.

Commercial

Nowadays, more than 70% of commercial buildings are constructed using prefabricated steel structures; they constitute the most cost-effective framing solution for low, medium and high rise retail buildings, shopping malls, stores, hypermarkets, showrooms, etc. Prefabricated steel structures are factory-finished to the most exacting specifications, they are designed to offer commercial buildings with clear span framing and minimize intermediate columns and load-bearing walls.

Industrial

Nowadays, prefabricated steel structures are used to construct the most complex industrial steel buildings; they are carefully designed and engineered to support heavy and light industrial loads for various manufacturing facilities, processing plants, production units, brewery, warehouses, storage units, workshops, garages etc. Prefabricated steel structures can be adapted to suit the operational requirements and offer integrated building solutions for every industrial application. Industrial prefabricated steel structures come ready for erection with all components including galvanized steel columns, beams, roof trusses, plates and many other distinctive features such as industrial catwalks, elevated walkways, suspended catwalks, integrated crane systems and more.

Agricultural

Prefabricated steel structures are ideal for all agricultural building applications, they can be designed to respond effectively to the requirement of different building codes and withstand the harshest weather conditions. The strongest prefabricated steel structures can be designed and engineered to meet specific farming needs and protect livestock and equipment from all hazards. Prefabricated steel structures are used as a barn, stable, poultry shed, cowshed, milking parlor, dairy building, vehicle and materials storage, etc.

Oil and Gas

Prefabricated steel structures are commonly used to support vertical steel structures used in oil and gas refining, production, processing and transporting. They are essential for applications such as crude refinery construction, oil extraction, oil refining, blending facilities, well pads, natural gas processing plant, gas pipelines, pipe racks, jackets, gas transport and storage, natural gas processing and hydrogen generation. Prefabricated support structures can be designed to respond to the most complex offshore platforms specifications and building codes; steel used is resistant to fire, explosion steel and steel surface is protected against corrosion using hot-dipped galvanization or powder coating.  Other support and safe access system can be provided such as catwalks, crossover bridges, platforms, stairs and ladders.

Q3: What Are The Advantages Of Prefabricated Steel Structures?

Prefabricated steel structures have many advantages over traditional construction techniques, its combination of strength, durability, versatility, rapid construction and a high degree of customization making it an excellent modern method of construction (MMC).

Design Versatility

Prefabricated steel structures are more suited to the needs of modern construction and development, despite the project size and specifications required, the use of advanced mechanical mechanisms and computation methods enable designing prefabricated steel structures that can support maximum load, deformation and stress. Moreover, steel’s long-spanning ability offers large open spaces that are free of intermediate columns and load-bearing walls.

Prefabricated steel structures are factory-finished to the most exacting specifications, steel can be molded and cut to fit projects’ design requirements, a large combination of steel framing profiles, grades, texture, shape, finishing and color can be provided. In addition to that, steel’s inherent buildability, versatility, and malleability offer architects broader parameters to design the most complex and aesthetically pleasant prefabricated steel structures that can be efficiently used in low, mid and high-rise.

Cost-effective

Cost reduction and rapid construction are the primary benefits of prefabricated steel structures, they are inherently cost-effective, they are designed to optimize construction costs and add value to the whole project. Off-site manufacturing ensures high-quality standards while reducing construction time and labor costs, all components are precut and welded and made ready to be bolted or welded by qualified installers, this makes construction 50 percent faster than conventional methods. The prefabricated steel structure is used today in more than 70% of multi-story buildings, this is due to its lighter weight, column-free floor space and fewer foundations used, this enables making significant savings.

Strength

The prefabricated steel structure has become a great choice for highly-loaded buildings or civil structures; this is due to its highest strength-to-weight ratio which adds strength to the building’s frame without adding stress, this made it ideal for high-rise buildings and towers. Furthermore, the reliability of prefabricated steel buildings offers less risk, uncertainly and lowers maintenance costs.

Durability

Prefabricated steel structures are long-lasting buildings that are made from the most durable toughest steel material, in addition to that, all structural steel surfaces are protected against corrosion using galvanization and protective coatings. Prefabricated steel structures are highly resistant to harsh weather conditions and can withstand extreme natural events without buckling or breaking.

Less Maintenance

Prefabricated steel structures are built to minimize maintenance costs, unlike wood and other traditional building materials which will worsen over time and require regular pest control and repair, steel being inorganic will remain in its original state and will not attract termites and pests. Superior quality coatings and economic galvanization techniques can be applied to ensure the whole steel surface is protected from rust, dirt and retain its color and aesthetics.

Environmental and Sustainable Benefits

Prefabricated steel structures design and manufacturing practices support largely the World’s green construction strategies to construct resource-efficient buildings that are sustainable, and healthy to reside in. The prefabricated steel structure design is focused on the concept of “impact investing” in which the entire project is built to generate environmental and financial benefits. Moreover, steel is the most sustainable construction material on the earth; after usage, it can be either recycled or reused. Steel is eco-friendly it does not release toxic gases like concrete which have harmful environmental effects.  Prefabricated steel structures are designed to maximize energy-efficient, they respond to leadership in energy and environmental design (LEED) requirements, while, solar panels can be added as well.

Streamlined Erection

One of the great benefits of prefabricated steel structures is the stress-free streamlined erection process. The complete components of the steel structure are cut, welded, drilled for simple bolt and clearly pre-marked and then transported to be erected on-site by professional steel erectors who will ensure smooth, efficient. An easy-to-follow erection guide is provided as well as erection drawings and certified anchor bolt plans; equipment such as track loader, forklift, front-end loader, screw guns are used.

Erection crew should follow Occupational Safety and Health Administration (OSHA) regulations to ensure a safe working environment and eliminates site accidents. The manufacturer offers complete support and can address any challenges arising during the installation process.

Q4: Does Manufacturer Provide Design For Prefabricated Steel Structures?

Yes, absolutely. The architectural design of prefabricated steel structure encompasses the analysis of steel structure using either the allowable strength design (ASD) method or the load and resistance factor design (LRFD) method to ensure structural loads requirements including:

• The dead load includes the overall steel structure self-weight and permanent fixtures such as walls roof, building materials, and other fittings, and equipment.

• Live load is a temporary load that includes the weight of the steel structure’s occupants and contents.

• Environmental loads are caused mainly by natural forces such as wind, rain, snow, flood, earthquake or extreme temperatures.

Building Information Modeling technology (BIM) is used to perform prefabricated steel structure design verification, quantity calculation, and prefabrication, 3D model and BIM-based 4D simulation can be also provided to improve drawing consistency, visualization and provide complete information about the project schedule, process and material.

No matter is the size, application and style of a building required, prefabricated steel structure can be specifically designed and engineered to provide column-free space, a long span that fit your functional and aesthetic requirements.

Q5: What Is Required To Design My Prefabricated Steel Structure?

Basic information about the building’s application, specifications, length, width, height is required. Manufacturers can identify all design requirements and transform your design ideas to the most modern and robust prefabricated steel structure.

Q6: What Are The Types Of Prefabricated Steel Structures?

Single span and Multi-span rigid frames are popular structure bracing systems that are used to support prefabricated steel structures walls and roofs.

Single Span Rigid Frame

The single-span rigid frame is very versatile; it is widely used in sports arenas, storage buildings, churches, showrooms, aircraft hangars, etc. This type of frame offers an uninterrupted open space with an attractive appearance. A single span of 100 feet can be achieved using rolled sections or 197 feet using rolled wide-flange beams. This framing system is designed limited in building dimensions and roofing while the interior space can be built without interior columns, and can be easily assembled and insulated. Cranes and other equipment can be also adapted to the structure.

Multi-Span Rigid Frame

A multi-span rigid frame is mostly used when an expanded interior space is required for warehouses, production facilities, etc. Columns are used to support the frame, rafters and tapered beams are used to add more strength to the steel structure system, while load-bearing walls support multi-gabled prefabricated steel structures. Joints are required to ensure stability for every 300 feet expansion.

Q7: What Are The Fabrication Process Of Prefabricated Steel Structure?

The fabrication process for prefabricated steel structures is driven by the latest numerical control fabrication machinery (CNC), these methods are used to ensure a high accuracy level of structural steel components and precision-engineered steel structure. Prefabricated steel structure fabrication is a multifaceted operation that passes through the following process:

Cutting Structural Steel

Cutting structural steel involve a series of sawing, shearing, torching process, all components are cut using numerical control (CNC) cutters such as plasma torches, water jets, and laser mill bits to ensure precision, accuracy and rapid production.

Bending Structural Steel

After cutting, the next step is bending the structural steel; fabricators rely heavily on machinery to perform repetitive bending processes. Powered hammering is used to forge the welding process and press brakes to air-bend metal sheets and plates into form.

Assembling Structural Steel

Assembling is achieved by combining and joining all structural steel elements together using the welding and riveting process. All steel surfaces are then cleaned and treated; finishing work is also carried out using advanced methods and durable materials. Several inspections are conducted to ensure high-quality prefabricated steel structures.

Q8: What Type Of Steel Is Used To Produce Prefabricated Steel Structures?

Prefabricated steel structures are made mainly from structural steel, which can be flexibly formed in a variety of shapes like I-beam, H beam, HSS, Z-shape, L-shape, T-shaped, structural channel (C-beam, cross-section), rail profile, bar, rods, plate, etc. These steel profiles are produced using hot rolling and cold rolling methods, and can be produced in all sizes and gauges.

Structural steel can be produced in different chemical composition and mechanical properties to suit prefabricated steel structures applications specifications, standards and strength requirements. The most commonly used structural steels are carbon steels, High strength low alloy steels, corrosion-resistant high strength low alloy steels and quenched and tempered alloy steels

Q9: What Is Included In A Prefabricated Steel Structure?

The prefabricated steel structure is delivered ready to be erected on project location; all design, engineering, fabrication, and finishing work are all performed on a manufacturing controlled facility as follow:

Engineered Plans & Drawings

Complete structural drawings and calculations are provided including design load criteria (snow, wind, and seismic zone), concrete/foundation plan can be provided.

Primary Framing

The primary structural framing is made from lightweight steel columns, H-beam steel, C channel steel, tie beam, roof beam, floor beam, purlins, bracing system, wall Girt, crane beam and so on. Primary structure can be customized as per customers’ requirements.

Secondary Framing

The secondary steel framing is designed to ensure the overall stability of the prefabricated steel structure, it is made from horizontal and vertical bracing systems that include column cross bracing, roof horizontal bracing, fly bracing, tie-beam roof purlin and wall girt.

Enclosure System (or Building Envelope)

A comprehensive range of metal roof and walls cladding, sheeting, load-bearing walls; windows, doors and accessories are provided. Complete fasteners, trim, ridge cap, mastic sealant are also included.

Q10: Does Manufacturer Provide Prefabricated Steel Structure Customization?

Yes, Absolutely. Prefabricated steel structures can be fully customized to meet the functional and aesthetic needs of each project. Any building design drawings can be virtually achieved in terms of specifications size, shapes, configurations and layout, while prefabricated steel structure can be finished from the interior and exterior with any materials. Various customization options are provided including the following:

Wall And Roof Panels Options

The most trending siding wall and roof panels are available to provide an esthetically modern appearance; including color-coated corrugated sheet and wall panels. Walls can be finished with the same materials traditionally used like brick or stone textured finish, while, steel frame roof panels can have the look like shingles or asphalt.

Insulation / Corrugated Color Coated Sheets

Regardless of weather conditions, a broad range of R-values structural insulating panel (SIP) solutions can be provided to ensure thermal insulation requirements and keep the building comfortable in hot and cold climates for year-round use. Insulation panels are available in EPS sandwich panel, Polyurethane (PU) Sandwich Panel, Glass Wool Sandwich panel, Rock Wool Sandwich panel, Thermal Blocks and so on.

Interior And Exterior Finishing

The interior and exterior designs opportunities for prefabricated steel structures are virtually endless, customer can choose from different interior or exterior facades or wainscoting, custom architectural panels are available, while visible or hidden metal roofs can be added to enhance the overall appearance and increase the degree of sophistication of the building. Option to include façade materials such as brick, tilt-wall concrete, stone, wood, veneers systems, glass and more are offered in the customization package.

Color Choices

Attractive pallets of colors and coating systems are available in various textures and finishes and can be applied to the prefabricated steel structure indoor and outdoor walls, roof panels, trim and accessories.

Accessories

There are many accessories options available to support prefabricated steel structure functionality including vents, fans ridge ventilation, louvers, cranes, gutters & downspouts, doors, wainscot, solar panels, LED lights, etc.

Windows & Skylights

A comprehensive line of windows and eye-catching skylights can be incorporated in the prefabricated steel structure design to allow natural sunlight and fresh air inside the building, and reduce energy consumption.

Q11: What Roof Style Is Best For Prefabricated Steel Structure?

The most commonly used roof types are steel beam structure, truss structure, and grid structure, choosing the right roofing style prefabricated steel structure is largely dependent on the location weather conditions and application requirements. Roof system should be designed with an appropriate slope to handle the most extreme conditions including wind, heavy rain, snow loads, cold and hot temperatures. Standard roof pitches typically range between 1:12 and 5:12, while, any roof pitch higher than a 5:12 requires custom engineering.

Q12: How Prefabricated Steel Structures Are Protected From Corrosion?

To protect the overall steel structure from corrosion and weathering, prefabricated steel structures are made from chemically alloys carbon steel that increases steel’s resistance to corrosion, in addition to that, the most cost-effective and efficient galvanization methods such as hot-dip galvanizing, electro galvanizing and sherardizing are applied to steel structures that are exposed to air, oxygen, water, chemicals, etc.

Galvanization process involves immersing structural steel components in 860 degrees Fahrenheit bath to form a zinc protective layer that creates a barrier between the steel surface and other elements causing corrosion, this technique offers high protection and performance, while it provides an esthetically pleasant appearance that can last for decades after decades.

Q13: Who Designs Prefabricated Steel Structure Concrete Slabs?

An anchor bolt design that shows the prefabricated steel structure’s dimensions and reaction is provided, however, it is highly recommended to hire an engineer who will design and build the foundation properly.

Q14: What Are The Requirements For The Prefabricated Steel Structure Foundation?

Prefabricated steel structures can be constructed using either perimeter foundation or piers. Before determining the foundation requirements, it is very important to investigate the geotechnical characteristics of land, and ensure the ground area is level. A simple floating foundation is enough to anchor a prefabricated steel structure, while the foundation’s thickness should be determined by a structural engineer; a good foundation thickness is about 4 to 8 inches. A well-designed and built foundation can ensure building durability and avoid structural problems such as leakage.

Q15: What Type Of Insulation Is Used For Prefabricated Steel Structure?

The most commonly used insulation systems for prefabricated steel structure roofs and walls are fiberglass laminated blanket, glass wool and batt insulation. The cost and thermal effectiveness of insulation materials vary according to the R rating insulation which ranges from R-7 (two-inch-thick) to R-30 (nine-and-a-quarter-inch-thick). The higher the R-value number, the more it resists to heating transfer and the more effective the insulation perform, and save energy.

Q16: Can Doors And Windows Be Installed On Prefabricated Steel Structure?

The short answer is, yes. Prefabricated steel structure design can integrate framing for windows and doors, framing options can include bi-fold doors, slide doors, large opening doors, etc.

Q17: Are Prefabricated Steel Structures Durable?

Prefabricated steel structures are highly durable, they can last more than 100 years without having to restore the building, in case of damage, and steel structure can be easily repaired by simple cutting, welding or bolting. Furthermore, steel used in prefabricated steel structures does not decay as quickly as concrete material which shrinks and creeps. They are made from high-strength steel and engineered to withstand harsh weather conditions such as winds, heavy snowfall, seismic activities, and extreme temperatures.

Q18: Are Prefabricated Steel Structures Fire Resistant?

Prefabricated steel structure can preserve its structural integrity in the event of a fire as advanced design and analysis techniques are used to ensure precise fire protection specification and compliance with building code requirements, also, extensive fire testing is carried out to ensure all steel components has minimum 60 minutes fire resistance under exposure to prolonged elevated temperatures.  A combination of active and passive fire protection methods are used, while, most prefabricated steel structure buildings require only active fire protection, passive fire protection methods can be used for exposed buildings or when needed, fireproofing materials are used such as intumescent coatings, spray-applied fire-resistive material (SFRM) to protect the whole structural steel from fire including columns, beams, girders, floor/roof, etc.

Q19: Are Prefabricated Steel Structures Earthquake Resistant?

Prefabricated steel structures are designed to withstand earthquakes ranging from 5.5 to 9.0 magnitudes on the Richter scale; this is due to steel structure seismic design, low weight, ductility, and flexibility that allows buildings to flexes rather than crushing or crumbling even under extreme loads of any seismic activity.

Q20: Are Prefabricated Steel Structures Expandable?

Yes, prefabricated steel structures can be simplify expanded when needed expanded, if extension frames are planned on the design to allow extra space, walls, or the entire building to be added flexibly to the existing structure.

Q21: What Is The Environmental Impact Of Prefabricated Steel Structures?

Prefabricated steel structures are all focused on adopting environmentally sustainable solutions to eliminate pollution, waste and scarcity of resources. Today more than 30% of the steel used is made from recycled steel. Thus, prefabricated steel structures can be reused or recycled without loss of properties.

Q22: Are Prefabricated Steel Structure Meet The International And Local Building Codes?

Yes, definitely. Prefabricated steel structures are engineered to meet the International Building Code Regulations and comply with any local building code; they are designed and engineered to fulfill all required specifications including loads, wall, roof construction, materials used, foundation, energy codes, fire prevention codes, and public health codes and so on.

Q23: What Are The Standards Of Prefabricated Apartments?

Prefabricated steel structures are designed and engineered to comply with the following international standards:

American Institute of Steel Construction

Prefabricated steel structures should follow ANSI/AISC 360-16 Specification for Structural Steel Buildings and AISC 341 Seismic Provisions for Structural Steel Buildings.

Eurocodes

European Committee for Standardization sets various standards that cover the design of prefabricated steel structures and steel materials used including:

BS EN 1990:2002 Basis of Structural Design.

BS 5950 code of practice for the design of structural steelwork using hot rolled steel sections, flats, plates, hot finished structural hollow sections and cold-formed structural hollow sections.

BS EN 1993-1 (Eurocode 3) general rules for the design of steel structures.

Prefabricated steel structures shall be designed and engineered as per ASTM, BS; DIN; GB and JIS standards.

Q24: How Long Will It Take To Deliver A Prefabricated Steel Structure?

Prefabricated steel structure delivery time can take anywhere from 3 to 5 weeks. After a review of customers’ specifications and requirements, the exact delivery time will be specified. We are committed to delivering your prefabricated steel structure on time, on budget and anywhere in the World.

Q25: What is The Average Cost Of Prefabricated Steel Structure?

Prefabricated steel structures are ideal for quality and cost-conscious buyers, the cost generally ranges between USD 15 to USD 45 per square meter; cost may vary according to building size, specifications and customization options required.

Q26: What Is The Difference Between A Manufacturer Of Prefabricated Steel Structure And A Broker?

When buying a prefabricated steel structure, it is recommended to deal with the main manufacturer rather than brokers; because the original manufacturer can offer the best prices, quality, flexible contract terms, warranty and on-time delivery. All aspects of design, engineering, and customization are handled professionally in-house, in addition to that, complete support throughout all project stages can be provided from start to finish and after-sales.

Q27: What Covers The Warranty Of Prefabricated Steel Structure And For How Long?

All prefabricated steel structures come with the following industry-leading warranties:

Structural steel: 1 Year Warranty.

Roof structure: 1 Year Warranty.

Coating: 1 Year Warranty.

Q28: Why China Prefabricated Steel Structure Are Preferred?

Rapid advancement in China prefabricated steel structures and off-site construction industry made China the most attractive market for international buyers looking for the most competitive and cost-effective prefabricated steel structures that are supported with the latest manufacturing machinery used, capabilities, workforce expertise, resources availability, and high operational efficiency that lower costs and improve quality.

Q29: Why Choose Sunnyda Prefabricated Steel Structure?

Established in 2000 and headquartered at the heart of Shanghai, China, with the objective to serve all industries with the most cost-effective and sophisticated prefabricated steel structures that are designed and engineered in state-of-the-art manufacturing facilities.

By selecting Sunnyda to design and manufacture your prefabricated steel structure, you’ve taken the first step toward building a relationship with a team of experts that provide top quality with outstanding customer service. No matter is your prefabricated steel structure requirements in terms of design, size, steel grades, specifications, finishing and customization, we can always exceed your expectations by delivering on-time and within budget the best-prefabricated steel building that respond to all functional and aesthetic needs. We have delivered more than 3,000 prefabricated steel structures for different applications all over the world.

Our prefabricated steel structures standards are recognized by the following leading organizations:

• ISO9001:2015 – Quality Management System.

• ISO14001:2015 – Environmental Management System.

• CE Marking Certification

• Bureau Veritas Certification.

Q30: Have Any More Questions About Prefabricated Steel Structures? Contact Sunnyda!

Contact us now, our consultants will be more than happy to answer all of your questions, and offer any advice, consultation, and pricing.