Prefab Steel Structure Industrial Warehouse Shed Metal Building Kits
Steel Structure Warehouse serves as the high-performance nucleus of modern commerce, offering a secure and expansive environment for large-scale industrial operations. At Qingdao Ruigang Heavy Industry, we engineer optimized storage ecosystems by integrating advanced structural modeling with high-strength materials to create heavy-duty frameworks designed for maximum volumetric capacity.
Technical Specifications
| ITEMS | 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 of steel structure | 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 |

Product Advantages
- Optimized Spatial Efficiency: High-tensile steel frames facilitate massive clear-span designs (up to 60m+), eliminating internal columns and allowing unobstructed movement of high-capacity forklifts and high-density racking.
- Accelerated Operational Readiness: With 90% of fabrication completed in controlled factory settings, the on-site bolt-together assembly process reduces construction timelines by nearly half.
- Superior Load-Bearing Integrity: Customized to handle specific dynamic stresses including high-capacity overhead cranes, mezzanine offices, or high-vibration machinery.
- Environmental & Climatic Resilience: Stress-tested to withstand hurricane-force winds, heavy snow accumulation, and peak seismic acceleration for long-term asset security.
- Cost-Effective Scalability: Modular design allows for seamless longitudinal expansion with minimal disruption to daily operations.
Premium Materials & Manufacturing Excellence
- High-Yield Structural Framework: Certified Q355B and Q235B structural steel meeting highest international tensile and yield strength standards.
- CNC Precision Engineering: Multi-axis CNC drilling and high-speed laser cutting maintaining tolerances within fractions of millimeters.
- Automated Fusion Welding: Submerged Arc Welding (SAW) and robotic assembly lines creating deep-penetration, defect-free joints.
- Industrial-Grade Protective Finishes: High-micron hot-dip galvanization and premium epoxy coating systems for corrosion resistance.
- High-Performance Envelope Solutions: Fire-rated Rockwool sandwich panels and high-R-value PU cores optimizing thermal performance and acoustic comfort.

Quality Control & Certifications
- Standardized Global Excellence: ISO 9001:2015 and CE certification standards ensuring global market compliance.
- Rigorous Subsurface Inspections: Non-Destructive Testing (NDT) including Ultrasonic and Magnetic Particle inspections for structural perfection.
- Transparent Material Traceability: Comprehensive quality dossier and Mill Test Certificates (MTCs) for 100% steel traceability.
- Pre-Shipment Trial Fitting: Factory trial assemblies validating geometry and bolt-hole alignment to eliminate site-level delays.
- Accredited Third-Party Audits: Partnerships with global leaders including SGS, BV, and TUV ensuring regulatory compliance.

Global Logistics & Installation Support
- Strategic Cargo Consolidation: 3D nesting software optimizing container volume and reducing shipping costs.
- Intuitive Assembly Resources: Comprehensive Builder's Pack with serialized 3D blueprints, video walkthroughs, and inventory lists.
- Simplified Field Erection: Permanent tracking codes on steel members for rapid identification and plug-and-play assembly.
- Real-Time Technical Consultancy: 24/7 technical support via video link with direct engineering team access.
- Global Supervisory Deployment: Senior technical advisors available for project site leadership and quality oversight.

Frequently Asked Questions
You are manufacture factory or trading company?
As a direct manufacturing facility based in Qingdao, China, we pride ourselves on stringent quality management, expert design teams, robust production capabilities, and extensive manufacturing experience.
How about your quality control?
Our comprehensive quality control includes: 1) 100% strict testing of raw materials from high-quality suppliers, 2) Certified and regularly assessed workers, 3) Three-part production inspection process (self-inspection, mutual inspection, workshop inspection), and 4) Pre-delivery verification against delivery lists.
What's the delivery time?
Typically 30 days with perfect management planning for each project to ensure on-time delivery.
Do you offer service for installation?
Yes, we provide detailed installation drawings and videos. Generally, local installation is possible as components are prefabricated and bolted. We can also send engineers for installation guidance.
What's the payment term?
We offer two payment options: 1) 30% advance payment before production by T/T, and 70% balance by T/T before shipping, or 2) 100% irrevocable L/C.
How to get a fast quotation?
Please send your project preliminary drawing for a quotation within 2 days, or we can confirm specifications with you for a detailed quotation list.
Is your price competitive compared with other companies?
As a direct factory, we offer competitive pricing with guaranteed quality and value.
About Qingdao Ruigang Heavy Industry Co., Ltd.
We are a world-class authority in the design and fabrication of heavy-duty steel structure warehouses. With engineering precision and thousands of successful projects across 50+ countries, we provide the foundational infrastructure for modern industry and long-term business success.
Build with the best in the industry. Contact our engineering specialists today for a professional consultation and comprehensive, transparent quotation!



