Prefabricated Steel Structure Construction Warehouse Portal Frame For Industrial Buildings
| Application Fields | Warehouse, Multi-building, Workshops & plants, Hospital, School, Office, Apartment |
| Drawing Design | AUTOCAD, SOLIDWORKS, TEKLA |
| Maximum Roof Load | 20+lb/sq.ft |
| Raw Steel Material | Q235B, Q355B, ASTM A36 |
| Frame Type | Portal Frame |
| Design Parameter | Wind Load, Snow Load And Earthquake |
| Working Scope | Design, Fabrication, Installation |
This high-strength prefabricated steel structure warehouse offers a comprehensive solution with rapid delivery and expert installation guidance. The structure comprises both internal support and external enclosure components.
The steel frame features a portal design with robust steel columns, beams, and bracing. Together with the external enclosure, this design creates a fully enclosed building capable of withstanding severe weather conditions, including strong winds, heavy rainfall, and snow loads.
All metal components are meticulously processed in our workshop—cut, welded, drilled, and painted—before transportation to the construction site. Each component is bolted together, allowing for convenient and efficient installation, which significantly reduces labor requirements.
The steel frame consists of five main structural elements:
- Tension Members
- Compression Members
- Bending Members
- Combined Stress Members
- Connections
These components work together to ensure optimal load-bearing capacity and stability.
- Lightweight Construction: High strength with large spans and reduced foundation pressure.
- Rapid Assembly: Shorter construction period compared to concrete buildings, facilitated by simple on-site assembly.
- Cost Efficiency: Investment costs are 20-30% lower than those of traditional buildings.
- Durability: High fireproof performance and exceptional corrosion resistance enhance longevity.
- Sustainability: Buildings can be easily disassembled, relocated, and recycled, minimizing environmental impact.


| Dimension | Length * width * eave height, roof slope |
| Type | Single/double/multi-slope; Single/double/multi-span; Single/double/multi-floor |
| Foundation | Concrete and steel foundation bolts |
| Column and Beam | Hot rolled or welded H steel Q355B, high strength bolts connection, straight or variable cross-section |
| Bracing | X or V type bracing made from angle steel or pipe |
| C/Z Purlin | Q235B C/Z section steel (C160-300 or Z160-300) |
| Roof/Wall Panel | Single colorful corrugated steel sheet or sandwich panel with EPS, rock wool, glass wool, or PU insulation |
| Accessories | Skylight belts, ventilators, down pipes, gutters, doors, windows |
| Surface Treatment | Painting or hot dip galvanized |
| Package | Nude or packed on steel pallet in 40'HQ/OT containers |



We implement rigorous quality control measures throughout the project lifecycle, including:
- Material inspections before and after fabrication
- Precision measuring, cutting, and welding
- Accurate hole and cleat placement
- Proper packaging and loading sequence
- On-site erection when required
Qingdao Tsin Steel Structure Construction Technology Co., Ltd. provides integrated solutions for steel structure workshops, warehouses, and multi-storey buildings, including:
- Layout consulting and structural design
- Fabrication and delivery solutions
- Installation guidance
Our production capacity reaches 2,500 tons per month across 20,000m² of workshop space (30,000m² total factory area). We operate complete production lines for H steel, C/Z purlins, and various steel sheet and sandwich panels.

Based in Shandong, China since 2025, we serve clients in South America, Africa, Oceania, and other global markets with a team of 5-10 professionals.
Pre-production samples and final inspections before shipment ensure consistent quality standards.
Steel Structure Warehouses, Workshops, Buildings, Poultry Houses, and Prefab Houses.
20+ years experience providing complete steel structure solutions with integrated design, fabrication, and installation services.
We accept FOB, CFR, CIF, EXW delivery terms and T/T, L/C, Cash payments in USD, EUR, AUD, CNY.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.