High-Rise Multi-Story Prefabricated Steel Structures
Multi-story steel architecture serves as the foundation for a new era of urban development, replacing antiquated on-site construction with a sophisticated, factory-driven assembly model. By centralizing the production of structural skeletons and high-performance floor systems within a precision-controlled environment, we eliminate the volatility of traditional building sites and replace it with industrial-grade certainty.
Technical Specifications
| Component |
Specification |
| Main Steel |
Q355, Q235, Q355B, Q235B, etc. |
| Anti-rust Protection |
Hot-dip galvanized or anti-rust painting |
| Purlin and Girts |
Cold-rolled C or Z steel, Q355 or Q235 |
| Column & Beam |
Welded or Hot rolled H-section |
| Connection Method |
Welding connection or bolt connection |
| Wall & Roof |
Sandwich panel or steel sheet |
| Door |
Rolled up door or Sliding door |
| Window |
Plastic steel or Aluminum alloy window |
| Surface |
Hot-dip galvanized or painted |
| Crane |
5MT, 10MT, 15MT, and more |
Advanced Painting System
- Substrate Passivation & Reactive Priming (Anti-Corrosion) - Acting as a primary chemical interceptor, this foundational layer passivates the steel surface to inhibit oxidation at the molecular level.
- Cross-Linked Molecular Armor (High-Build Epoxy) - This dense, intermediate barrier is engineered for peak mechanical endurance and chemical resistance.
- Atmospheric Resilience & Aesthetic Shield (PU Topcoat) - The coating system is finalized with a premium Polyurethane finish designed for permanent chromatic stability.
Common Applications
- Advanced Corporate & Commercial Environments - Our engineering philosophy prioritizes maximum spatial fluidity by implementing expansive, column-free spans.
- High-Density Urban Residential Solutions - We set new benchmarks for vertical living through rapid-track deployment of high-performance apartment complexes.
- Institutional, Healthcare & Educational Infrastructure - Designed for minimal community disruption, our construction methodology is ideal for sensitive public projects.
- High-Capacity Vertical Mobility & Parking Hubs - We leverage high-strength modular steel frameworks to engineer scalable, high-load-bearing parking solutions.
Why Choose Our Steel Structures
- Computational Resource Stewardship - By leveraging high-fidelity structural modeling, we eliminate material redundancy and ensure maximum efficiency.
- Automated Technical Fidelity - We bridge the gap between design intent and physical reality through precision-driven manufacturing protocols.
- Holistic Project Orchestration - As your dedicated single-source turnkey partner, we eliminate the friction of multi-vendor coordination.
- Global Benchmark Compliance & Lifecycle Advocacy - Our fabrication process is anchored by strict commitment to international engineering codes.
Packing & Loading
- Advanced Structural Encapsulation - We utilize a multi-layered, industrial-grade shielding system to secure every component.
- High-Efficiency Volumetric Nesting - Through advanced spatial algorithms, we optimize the loading matrix of 40ft High Cube containers.
- Integrated Just-in-Time (JIT) Delivery - Our logistical framework is synchronized directly with your project's master construction schedule.
Frequently Asked Questions
Are you a manufacturer or trading company?
As a direct manufacturing facility based in Qingdao, China, we pride ourselves on our stringent quality management system, expert design team, robust production capabilities, and extensive manufacturing experience.
How about your quality control?
1) We only cooperate with high-quality raw material suppliers
2) Our workers are all certified and regularly assessed
3) We implement self-inspection, mutual inspection, and workshop inspection
4) Before delivery, inspection teams check everything against the delivery list
What's the delivery time?
Usually 30 days. We have perfect management plans for each project to ensure timely delivery.
Do you offer installation service?
Yes, we provide detailed installation drawings and videos. Generally, you can install locally as components are prefabricated and bolted. Otherwise, we can send engineers to guide installation.
What's the payment term?
We have two payment terms: 1) 30% advance payment before production by T/T, and 70% balance by T/T before shipping. 2) 100% irrevocable L/C
How to get a fast quotation?
Please send us your project preliminary drawing, and we will quote accordingly within 2 days.
Is your price competitive compared with other companies?
As a direct factory, yes, our prices are competitive, and both price and quality are guaranteed.
Our Steel Structure Fabrication Factory
Qingdao Ruigang Heavy Industry Co., Ltd. operates as a premier global authority in steel infrastructure, serving as a comprehensive turnkey partner. Our operations are anchored by a 50,000m² state-of-the-art manufacturing campus and a specialized workforce of 115 engineering and fabrication experts. Strategically positioned in the West Coast New District with direct proximity to the Port of Qingdao, we leverage a world-class logistical gateway to facilitate rapid global distribution.
Certifications
Product Attributes
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