ISO Q355 Standard Prefabricated Steel Structure Factory Building
| Place of Origin: | Zhengzhou,China |
|---|---|
| Brand Name: | RUIISTEEL |
| Materials: | Q355 Steel |
| Beam/Column: | H-Shaped Steel |
| Purlins: | C/Z Section Steel |
| Wall/Roof System: | Insulation Panel (EPS/PU/Rock Wool), Metal Sheet |
| Accessory: | Crane, Drainage Pipe, Door, Window |
| Certification: | CE, ISO, GB, AISC, SGS, BV |
| Service Life: | Over 50 Years |
| Delivery Time: | 30 Days After Receiving the Deposit |
| Payment: | T/T, L/C, PayPal |
Product Details
The steel structure factory building system is a new generation of building solutions designed to meet the demanding needs of modern manufacturing, logistics and warehousing industries. We are committed to providing customers around the world with the perfect combination of fast delivery, superior performance and long-term return on investment.

Detailed explanation of product system
1. Main steel structure system
- Rigid frame, truss or portal frame system, customized according to customer load requirements.
- After all steel components are sandblasted and rust removed, they are sprayed with high-quality primer to ensure anti-corrosion during transportation and storage.
2. Enclosure system (optional)
- Roof panel: high-quality galvanized steel plate, optional PU/rock wool sandwich panel (R value up to R-40), or single panel with thermal insulation layer.
- Wall panels: Provide corrugated panels, sandwich panels and other options, support customized colors and surface coatings (such as PVDF), beautiful and durable.
- Accessories: a complete set of gutters, downspouts, lighting panels, ventilators, doors and windows, complete package.
3. Customization options
- Skylights and ventilation systems
- Various types of crane track beam systems
- Office mezzanine
- Special fireproof and explosion-proof design
- Photovoltaic roof integrated design

Typical application scenarios
Manufacturing plants: automotive parts, heavy machinery, food processing.
Logistics and distribution center: large-scale warehousing and sorting center.
Maintenance hangar: aircraft hangar, equipment maintenance workshop.
Sports and activity venues: indoor stadiums, exhibition halls.
Agricultural facilities: large greenhouses, agricultural machinery warehouses.

Advantages of steel structure factory building
- Quick start-up: Shorter construction times mean your business can start earlier and generate revenue.
- Low maintenance costs: The steel has been treated with advanced coatings (such as galvalume) and coatings to provide excellent corrosion resistance. Together with high-quality wall panels, it can significantly reduce long-term maintenance costs.
- Scalability: The factory design facilitates future horizontal or vertical expansion, easily adapts to your business growth needs, and protects your long-term investment.
RUIISTEEL’s one-stop peace of mind service
From concept to keys: We provide full-process services including design consultation, structural calculations, manufacturing, export, on-site installation guidance and certification assistance.
Compliance guarantee: Our designs and materials can meet or adapt to the building codes and standards of major markets such as Europe (CE), North America, the Middle East, and Southeast Asia according to the location of the project.

Our cooperation process
- Requirements consultation: You provide preliminary ideas, location, size and use.
- Plans and quotations: We provide preliminary design plans, technical specifications and competitive quotations.
- Detailed design: After signing the contract, carry out detailed structural design and manufacturing drawings.
- Factory Manufacturing: High-quality prefabricated production in a controlled factory environment.
- Packaging and shipping: All materials are clearly marked, packed in the order of installation, and safely transported to any port around the world.
- On-site installation: We dispatch experienced engineers to guide on-site installation, or assist in training local construction teams.
RUIISTEEL builds not only a building, but also a solid foundation to promote your business growth. We are committed to becoming your trusted global partner through innovative engineering and reliable project execution.
Contact our international sales team today for a free preliminary design plan and project quote.
We earn the long-term trust of global clients through unparalleled efficiency and relentless pursuit of quality excellence.
Production Workshop Display
The company has a modern production base of over 8,000 square meters, equipped with a steel structure welding workshop, two Italian‑imported sandwich panel production lines, three complete house production lines and an intelligent assembly system. The annual steel structure capacity reaches 150,000 tons, with a daily output of 3,000 square meters of high‑end sandwich panels and 200 sets of modular houses.
Product Packaging & Shipping
Our packing and shipping services offer customized, robust transportation solutions for every product category, ensuring your goods arrive safely worldwide. Steel structural components are packed with sturdy steel frames, forming stable transport units that effectively withstand the bumps and pressure of long-distance sea and land transport. Sandwich panels and container houses are fully wrapped with high-quality protective films, providing moisture, dust, and scratch protection while fully preserving the coating and appearance of the panels. We have deep expertise in export logistics; from packing methods to container loading, every step is professionally optimized to provide you with a worry-free and reliable delivery experience.
Why Choose Us?
- Compliance guaranteed: Complete international certifications, compatible with national standards, reducing application and acceptance risks.
- Cost controllable: Chinese supply and prefabricated construction result in overall cost savings of 15%-25%.
- Schedule guaranteed: BIM collaboration and factory prefabrication enable rapid production and a competitive market advantage.
- Reliable quality: Export-grade processes and rigorous testing ensure both structural safety and durability meet standards.
Frequently Ask Questions
Design drawings → Quotation → Confirmed drawings → Purchase order → Purchase order confirmation → 30% deposit payment → Production → Quality inspection → Balance payment → Shipment.
This depends on the order quantity and the complexity of the customization. Generally, for regular order quantities, delivery time is within 30 days after receiving the deposit.
Yes, samples can be provided, but customers need to pay for the sample fee and international express shipping.
You are welcome to send inspectors at any time. Inspections can be arranged not only during container loading but also at any time during the production process.
We are a manufacturing plant with over 120 employees and a factory area of over 10,000 square meters, where you can enjoy the best prices and competitive costs.
Yes, we have over 10 design engineers. They can create complete solution drawings based on your needs. Software they use includes: AutoCAD, PKPM, MTS, 3D3S, Tarch, Tekla Structures (Xsteel) V12.0, etc.
RuiSteel is a company that highly values quality. We hold ISO9001, BV, SGS, and FM certifications.
Yes, we will send you relevant information and photos at different stages of your order's production so you can get the latest updates in a timely manner.

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