Company Profile
Steel Structure Manufacturers & Steel Building Suppliers
Henan Ruii Steel Construction Engineering Co., Ltd. (RUIISTEEL) is a China-based provider of steel structure and modular building solutions. Established in 2025 to serve international markets, RUIISTEEL brings together experienced engineering support, established manufacturing resources and global project coordination under one dedicated brand.
We provide practical, project-specific building solutions for customers in different industries and regions, supporting projects from initial concept and design coordination through manufacturing, quality inspection, packing, transportation and installation guidance.
RUIISTEEL is supported by more than 80,000 m² of production workshops, 12 steel structure production lines with an annual capacity of 60,000 tons, and three continuous PU sandwich panel production lines capable of producing 10 million m² annually. With an annual production capacity of 7,300 modular building units, our products and building solutions have been delivered to customers across 93 countries and regions.

10+
Years Experiences
8k
Factory Area
150k
Production Capacity
1.7k
Customer Project
Why Choose Us
Ruii Steel Advantages
By the end of 2024, our products have obtained globally recognized certifications such as EU CE and SGS, with a service network spanning 93 countries and regions. To date, we have cumulatively delivered over 2.7 million tons of steel structures, 3500,000 square meters of sandwich panels, and 100,000 modular buildings. Our services span more than 20 industries including smart factories, warehousing, cold storage, eco-farming, large-scale retail, modular housing, and brand showrooms.
We earn the long-term trust of global clients through unparalleled efficiency and relentless pursuit of quality excellence.
Design Service
Familiar with mainstream building codes (such as EN, AISC, Eurocode), providing design solutions that meet local requirements.
Supply Service
Products utilize Q355B/Q420B high-strength steel and have obtained international certifications such as CE, FM, and ISO.
Shipment Service
We offer optimized container packaging solutions and assist with customs clearance and tax compliance procedures.
Installation Service
We have a professional installation team that can be dispatched to the site for installation or provide remote guidance services.
Our Brances
Our Products Are Spread All Over The Global

Who We Are
Sandwich Panel Production Line
The company has introduced two advanced Italian PUMA production lines for polyurethane / rock wool sandwich panels, equipped with 36‑meter double‑track units, six‑component cyclopentane high‑pressure online foaming systems and four uncoilers. It realizes intelligent integrated production covering automatic feeding, cotton laying, cutting, drying, stacking and packaging. Stable processes and high‑precision control ensure consistent product quality, fully meeting international engineering standards.
Polyurethane Sandwich Panels
Rock Wool Sandwich Panels
Our Factory
Intelligent & Automated Equipment
How Get It
Our Ordering Process
Deposit step 01
Production step 02
Final Payment step 03
Shipping step 04
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.
Our Products
Hot Sale Products
RUIISTEEL
Photovoltaic (PV) Roof Sandwich Panel
RUIISTEEL


