Multi-story steel buildings deliver outstanding strength, flexibility, and durability, making them perfect for modern urban environments. Their strong steel framework guarantees structural stability while supporting a wide range of architectural styles and functional requirements. With fast construction timelines and exceptional resistance to environmental challenges such as wind, fire, and seismic forces, these buildings are setting new standards in high-rise architecture.
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
Molecular Passivation & Reactive Priming
The base layer prevents oxidation on the steel surface, creating a strong, non-porous barrier that protects against moisture and saline intrusion.
Cross-Linked Molecular Armor
A high-performance epoxy coating provides exceptional strength and chemical resistance, shielding the surface from industrial pollutants and harsh conditions.
Atmospheric Durability & Color Retention
The premium polyurethane finish ensures long-lasting color integrity and UV protection, maintaining a pristine, professional appearance over time.
Common Applications
- Versatile Corporate & Commercial Spaces: Column-free layouts optimize usable floor area, providing flexible structures that adapt to the dynamic needs of modern businesses.
- Fast-Tracked Urban Residential Development: Swift construction of high-performance residential buildings, featuring fire-resistant elements to improve safety.
- Streamlined Institutional & Healthcare Projects: Off-site fabrication reduces local disruption and accelerates construction timelines, ensuring the timely delivery of vital public infrastructure.
- Scalable Vertical Parking Solutions: Durable, high-capacity parking systems designed to handle high traffic volumes and ease urban congestion.
Why Choose Our Steel Structures
- Material Efficiency & Computational Design: Advanced structural modeling minimizes material waste, reducing costs and enhancing sustainability.
- Automated Precision & Expertise: Digital manufacturing ensures millimeter-level accuracy, enabling seamless assembly on-site.
- Comprehensive Project Management: A single partner manages the entire structural lifecycle—from design to delivery—optimizing logistics and simplifying operations.
- Global Compliance & Continuous Support: Full adherence to international engineering standards (AISC, Eurocode, GB), with ongoing technical support throughout the project's life.
Packing & Loading
- Comprehensive Structural Protection: A multi-layered encapsulation system preserves component integrity and finish throughout international shipping.
- Optimized Packing Efficiency: Advanced spatial algorithms maximize container utilization in 40ft High Cube units, reducing shipping costs and minimizing the carbon footprint.
- Efficient Just-in-Time Logistics: A fully integrated supply chain, synchronized with project timelines, ensures on-time delivery and keeps the project moving forward smoothly.
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?
- We only cooperate with high-quality raw material suppliers
- Our workers are all certified and regularly assessed
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. is a recognized global leader in steel infrastructure, providing comprehensive turnkey solutions that transform architectural concepts into reliable, functional structures. Our state-of-the-art 50,000m² manufacturing facility is supported by a skilled team of 115 engineering and fabrication experts, ensuring precision and scalability in every project.
Strategically located in the West Coast New District, we are ideally positioned with direct access to the Port of Qingdao, offering seamless integration with a world-class logistics network. This advantageous location guarantees efficient global distribution and ensures the timely, sustainable delivery of premium structural solutions to clients worldwide.
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