Industrial Structural Steel Construction
Heavy/Light Weight Prefabricated/Prefab Metal Frame/Steel Structure with high fire resistance and strong corrosion resistance. The main bearing components are composed of steel columns, steel beams, and steel roof trusses, connected by welds, bolts, or rivets.
Product Specifications
| Attribute |
Value |
| Raw Steel Material |
Q235B, Q355B, ASTM A36 |
| Application |
Steel Workshop, Steel Structure Platform, Structural Roofing, Frame Part |
| Surface Treatment |
Painting or Hot-DIP Galvanized |
| Service Life |
50 Years |
| Wall and Roof |
Steel cladding sheet, Sandwich Panel |
| Columns & Beams |
H-Section Steel |
| Shot Blasting Level |
SA 2.5 |
| Certification |
CE, AISC, SGS, BV, ISO, GB |
| Installation |
Engineer Guidance on Site |
| Drawing |
CAD, TEKLA, 3D Model, PKPM, BIM |
| HS Code |
9406900090 |
| Transport Package |
Standard Export Package or Customer's Requirement |
| Production Capacity |
30000ton/Year |
| Features |
Prefab Steel Structure, Large Span, Multi-Floor |
| Connection Form |
Bolt Connection |
| Parapet Wall |
As Requested |
Material Specifications
| Component |
Specification |
| Main Steel Frame (Column) |
Q235, Q355 Welded H Section Steel |
| Main Steel Frame (Beam) |
Q235, Q355 Welded H Section Steel |
| Secondary Frame (Purlin) |
Q235 C and Z purlin |
| Knee bracing |
Q235 Angle Steel |
| Tie Bar |
Q235 Circular Steel Pipe |
| Bracing |
Q235 Round Bar |
| Column and Horizontal Bracing |
Q235 Angle Steel, Round Bar or Steel Pipe |
| Roof Panel |
EPS Sandwich Panel / Fiber Glass Sandwich Panel / Rock Wool Sandwich Panel / PU Sandwich Panel / Steel Sheet |
| Wall Panel |
Sandwich Panel / Corrugated Steel Sheet |
| Window |
Aluminium Alloy Window / PVC Window |
| Door |
Sliding Sandwich Panel Door / Rolling Metal Door / Personal Door |
| Downspout |
PVC |
| Structure Usage |
Up to 50 years |
| Finishing Options |
Vast array of colors and textures available |
| Paint Options |
Alkyd painting, two primary painting, two finish painting (gray paint, red paint, white paint, epoxy zinc etc.) Or Galvanized |
Project Showcase
High-End Intelligent Hydraulic Machine Tool Equipment
Size of the plant: Total Area 9,702 Sqm
Steel Structure Weight: 630Ton
Logistics Steel Warehouse For High-Speed Rail Station
Size of the plant: Total Area 24,570 Sqm
Steel Structure Weight: 985Ton
Textile Manufacturing Machine Tool Equipment
Size of the plant: Total Area 6,615 Sqm
Steel Structure Weight: 750Ton
About Qingdao Ruly Steel Engineering Co., Ltd
We are a professional steel structure fabrication and engineering company located in Qingdao, China, integrating steel structure design, research and development, manufacturing and installation. Our project types include prefabricated steel workshops, warehouses, logistics parks, high-rise residential buildings, exhibition centers, stadiums, airport stations, bridges, power plants, chemical plants, and oil/gas/mining facilities.
Company Highlights
35,000 square meters processing plant with 20,000 square meters of plant space
Over 100 employees with monthly production capacity exceeding 1500 Tons
Certified under ISO9001, ISO14001, GB/T28001, ASTM, and SGS standards
Export, design, installation, and consultation rights from Ministry of Foreign Trade
Our Certifications
Our Services
Structural steel fabrication, painting, galvanizing, pre-assembly
Designing, fabrication and installation for prefabricated steel structures
Deepening or designing fabrication/shop drawings based on your architectural plans
Technical advice for usage, maintenance, and improvements
Quality Control
Raw Material Quality Control
Thickness tolerance <0.25mm
Yield and tension strength testing in-house
Third party inspection certificates
Supply traceable mill certificates
Structural Steel Fabrication Quality Control
100% testing dimension tolerance <1mm
20% sample welding line ultrasonic testing
20% magnetic powder testing
Third-party inspection assistance available
Surface Treatment Quality Control
Shot blasting grade Sa. 2.5 with metal luster
Paint primer within 5 hours after shot blasting
Holiday-free coatings with Dry Film Thickness >75UM
Frequently Asked Questions
Q: You are manufacture factory or trading company?
A: We are manufacture factory. And you are welcomed to visit us at any time. The quality control flow and sales team will show you our professionalism. Also you will can get best and most competitive price after visiting us.
Q: Is your price competitive compared with other companies?
A: Our business objectives are to give the best price with same quality and best quality with the same price. We will do everything we can to reduce your cost and guarantee you get the best product that you paid for.
Q: Can you send engineers or whole team to install my project?
A: We will give detailed installation drawings for free. We can send engineers as installation director or a team upon request.
Q: Do you accept container loading inspection?
A: You are welcomed to send an inspector, not only for the container loading, but any time during the production time.
Q: Do you offer designing service for us?
A: Yes, we could design full solution drawings as your requirements. By using AutoCAD, PKPM, MTS, 3D3S, Tarch, Tekla Structures (Xsteel) and etc.
Q: What is the delivery time?
A: Delivery time depends on order quantities. In general the delivery time to nearest seaport in China will be 40 days after receiving deposit.
Q: How can you get a quotation for your projects?
A: You can contact us by email, phone, WhatsApp,Viber and so on 24*7 and you will get reply within 8 hours.
Packing and Transport
All the structure components, panels, bolts and accessories are well packed with standard package suitable for ocean transportation and loaded into 40'HQ containers. Products are loaded at our factory using cranes and forklifts by skilled workers to prevent damage.
Design Services
For each project, we provide preliminary layout drawings, 3D Tekla models, and installation drawings to ensure project completion.
Why Choose Us?
Professional design team capable of custom drawings or steel quantity calculations
Skilled fabrication team with advanced equipment and project-specific production schedules
One-stop service with integrated project proposals
Dedicated QC team ensuring product and service quality
Comprehensive after-sales service including maintenance support
Our Production Line
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