Multi-Storey Steel Building
Multi-Storey Steel Building Manufacturer & EPC Steel Structure Supplier in China
Wanxiang Steel Structures is a professional manufacturer of multi-storey steel buildings, steel frame systems, and pre-engineered steel structures, providing full engineering-to-fabrication turnkey solutions for global construction projects.
We support EPC contractors, developers, and industrial investors with reliable steel structure systems that combine structural safety, fast construction, and cost optimization.
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Engineering Capability
Structural optimization based on wind, snow, seismic, and load conditions.
Cost Optimization Advantage
Up to 20–30% cost reduction compared to conventional concrete construction.
Fast Prefabrication System
Factory-preassembled components reduce on-site construction time by 40–60%.
Turnkey Project Support
From engineering design to installation guidance - full lifecycle support.
Global Export Experience
Professional handling of logistics, documentation, and EPC coordination.
Full Turnkey Engineering Services
Wanxiang bridges the gap between manufacturing and structural engineering. We provide a risk-free, single-point of accountability for overseas projects.
Structural Engineering & Load Calculation
Optimization of structural framing based on dead load, live load, wind speed, snow load, and seismic data using advanced engineering software.
BIM 3D Modeling & Detailing
Generation of high-precision TEKLA shop drawings and 3D models to ensure zero-clash tolerancing between steel, MEP, and architectural elements.
Precision CNC Fabrication
Automated cutting, drilling, and milling utilizing state-of-the-art CNC processing lines for absolute dimensional accuracy.
Advanced Surface Treatment
Application of high-spec hot-dip galvanizing, epoxy anti-rust primers, or certified intumescent fireproof coatings based on project environments.
Pre-Shipment Assembly Verification
Trial assembly of critical node connections at our factory to guarantee seamless alignment and zero-error fitting on site.
Logistics & Installation Support
Systematic bundling, maritime packaging, container optimization, and delivery of detailed 3D assembly guides and remote technical support.
Structural System Overview
Our multi-storey building system is optimized for high load-bearing performance, modularity, and rapid bolt-assembly.
|
Structural Component |
System Technical Details |
|
Primary Structure |
Heavy-duty H-section steel columns & build-up welded columns; main and secondary floor beams. |
|
Lateral Bracing |
High-tensile X-bracing, K-bracing, or moment-resisting frames (MRF) for horizontal stability. |
|
Floor System |
Composite profiled metal decking with shear studs + reinforced concrete topping for heavy live loads. |
|
Roof System |
Engineered steel trusses or rigid frames paired with insulated sandwich panels (PU, Rockwool, or EPS). |
|
Connection System |
Pre-engineered connection plates with factory pre-welding; 100% high-strength bolted field connections. |
Material Specifications & Surface Protection
|
Region / Standard |
High-Strength Grade |
Standard Utility Grade |
|
China (GB) |
Q355B / Q355D |
Q235B |
|
USA (ASTM) |
A572 Gr 50 / A992 |
A36 |
|
Europe (EN) |
S355JR / S355J2 |
S275JR |
Rigorous Quality Control System
To meet international EPC requirements, every element undergoes strict testing before leaving our facility.
Dimensional Accuracy Inspection
Laser tracking and digital caliper checks against BIM coordinates.
Ultrasonic Testing (UT) & Magnetic Particle Testing (MT)
100% non-destructive testing (NDT) on critical full-penetration welds.
Coating Thickness Testing
Dry film thickness (DFT) gauges verify exact micron requirements for paint and galvanization.
Material Traceability
Full Mill Test Certificates (MTC) provided for every batch of raw steel steel sheet or profile used.
Applications of Industrial & Commercial Multi-Storey Steel Buildings
Our structural solutions are engineered across a diverse range of sectors globally:
Commercial Infrastructure
Multi-storey office buildings, shopping malls, hotels, showrooms, and mixed-use complexes.
Industrial Facilities
Multi-tier production factories, heavy-machinery manufacturing workshops, and integrated logistics hubs with mezzanine offices.
Public Structures
Prefabricated schools, universities, institutional hospitals, and large-scale exhibition centers.
Residential & Housing
Multi-family apartment buildings, structural steel urban housing developments, and staff quarters.
Wanxiang steel structures have been successfully delivered to 50+ countries, supporting international general contractors in diverse regulatory environments.
UAE (Dubai): 6-Storey Commercial Office Building – 2,800 tons of structural steel – Fast-track execution.
Saudi Arabia: Large-Span Industrial Processing Plant – Designed for extreme ambient temperatures and desert wind conditions.
Indonesia: Multilevel Logistics & Distribution Hub – Prefabricated modular framing system for rapid site handover.
Nigeria: High-Density Apartment Complex – Engineered with specialized seismic-resistant moment frames.
Peru: Mixed-Use Commercial Center – Complex geometric architecture detailed fully via 3D BIM.
Comprehensive Installation & Technical Support
We ensure that the transition from factory floor to job site assembly is seamless, reducing on-site erection complexity by up to 50%:
Detailed Erection Blueprints
Fully labeled 3D installation maps generated directly from the Tekla model.
High-Strength Bolt Connection System
Pre-engineered shop joints mean virtually zero on-site cutting or heavy welding is required.
Color-Coded Component Marking
Every steel member is physically tagged, numbered, and color-matched to the erection drawings.
On-Site Supervision (Optional)
Deployment of senior field engineers to guide local crane and assembly crews.
Packaging & Specialized Ocean Freight Logistics
Long-distance ocean transit demands heavy-duty protection. We eliminate transit damage through structural packaging solutions:
Seaworthy Anti-Corrosion Protection: Critical steel joints and machined components are treated with rust inhibitors and wrapped in waterproof barrier films.
Steel-Cradle Bundling: Heavy members are securely steel-strapped into rigid bundles with protective dunnage to prevent steel-on-steel friction.
Container Space Optimization: Custom loading plans utilizing 40ft Open-Top (OT) or High-Cube (HC) containers to maximize volume, minimize shipping costs, and simplify crane unloading at your site.
Flexible Commercial Terms: Providing global logistics via FOB, CIF, CFR, or EXW arrangements.
Certificates
FAQ
Get Engineering Proposal & Quotation
Looking for a reliable steel structure manufacturer in China?
We provide fast and professional engineering support for your project.
Please provide:
Building dimensions (length / width / height)
Number of floors
Load requirements (industrial / commercial / residential)
Local climate conditions (wind / snow / seismic data)
Project location
You will receive:
Free structural design proposal
Engineering optimization suggestions
Cost-saving analysis report
Detailed quotation within 24 hours
Logistics & delivery plan
Start your steel structure project with a professional engineering solution today.