High-Strength and Flexible Steel Structure Fabrication for
Aesthetic and Functional Construction
Product Specifications
| 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 |
Product Description
Customer Requirements for Steel Structures
- Strength and durability: High-strength steel structures capable of withstanding
environmental conditions and natural disasters, ensuring safety and
long-term lifespan.
- Aesthetics and flexibility: Modern, appealing designs with customizable features to
accommodate various project requirements.
- Sustainability: Environmentally friendly solutions meeting green building
standards with energy efficiency and reduced carbon emissions.
- Cost-effectiveness: Economical solutions with rapid construction capabilities to meet
project timelines and market demands.
Material Specifications
| 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 |
| 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: Total Area 9,702 Sqm
Steel Structure Weight: 630Ton
Logistics Steel Warehouse For High-Speed Rail Station
Size: Total Area 24,570 Sqm
Steel Structure Weight: 985Ton
Textile Manufacturing Machine Tool Equipment
Size: Total Area 6,615 Sqm
Steel Structure Weight: 750Ton
Our Company
Qingdao Ruly Steel Engineering Co., Ltd is a professional steel structure fabrication and engineering
company located in Qingdao, China. We specialize in steel structure
design, research and development, manufacturing, and installation
for various projects including:
- Prefabricated steel workshops and warehouses
- Logistics parks and civil building systems
- High-rise residential buildings
- Exhibition centers, stadiums, and airport stations
- Bridges, power plants, and chemical plants
- Oil, gas, and mining facilities
Our 35,000 square meter facility includes a 20,000 square meter
processing plant with over 100 employees and a monthly production
capacity exceeding 1500 tons. We manufacture various steel
components including light/heavy H steel, BOX steel, cross-shaped
section steel, large diameter submerged arc straight-weld pipe, and
C/Z purlins.
We maintain ISO9001:2008 quality management, ISO14001:2004
environmental system, and GB/T28001:2001 occupational health system
certifications, along with ASTM and SGS product certifications.
Our Certifications
Our Services
- Structural steel fabrication, painting, galvanizing, and
pre-assembly
- Design, fabrication, and installation of prefabricated steel
structures
- Detailed fabrication 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
- 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
Surface Treatment Quality Control
- Shot blasting grade Sa. 2.5
- Paint primer within 5 hours after shot blasting
- Holiday-free coatings
- Dry Film Thickness (DFT) >75UM
Packing and Transport
All structure components, panels, bolts, and accessories are packed
in standard export packages suitable for ocean transportation,
typically loaded into 40'HQ containers. Our skilled workers use
cranes and forklifts to load products carefully to prevent damage.
Component Examples
Frequently Asked Questions
Q: Are you a manufacturer or trading company?
A: We are a manufacturer and welcome visits to our facility. Our
quality control processes and sales team demonstrate our
professionalism, and visiting helps ensure you receive the most
competitive pricing.
Q: How does your pricing compare to competitors?
A: We strive to offer the best price for equivalent quality and the
best quality for equivalent prices, working to reduce your costs
while guaranteeing product quality.
Q: Can you provide installation support?
A: We provide detailed installation drawings for free and can send
engineers or a full installation team upon request.
Q: Do you accept inspection during production?
A: We welcome inspectors at any stage of production, including
container loading.
Q: Do you offer design services?
A: Yes, we provide full solution drawings using AutoCAD, PKPM, MTS,
3D3S, Tarch, and Tekla Structures for complex industrial buildings.
Q: What is your typical delivery time?
A: Delivery time depends on order quantities, typically 40 days to
the nearest Chinese seaport after receiving deposit.
Q: How can I request a quotation?
A: Contact us by email, phone, WhatsApp, or Viber - we respond
within 8 hours.
Why Choose Us?
- Professional design team capable of custom drawings or quantity
calculations
- Skilled fabrication team with advanced equipment and
project-specific production schedules
- One-stop service with integrated project proposals
- Dedicated QC team ensuring products meet specifications
- Comprehensive after-sales service for maintenance and component
support
