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Qingdao Ruigang Steel Structure Co., Ltd. Company Profile
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Home > Products > Steel Structure Warehouse > Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design
Product Details
Highlight:

300 km/h Wind Load Steel Structure Warehouse

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Hot-dip Galvanization Prefab Steel Building

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Clear-Span Design Industrial Steel Workshop

Grade:
Q235 / Q355 / Q235B / Q355B
Connection Type:
Bolted, Welded
Application:
Industrial And Commercial
Type:
Prefab Steel Structure Building
Design Standard:
AISC, MBMA, AWS, ASTM
Wind Load:
Up To 300 Km/h
Surface Treatment:
Hot-dip Galvanization, Paint Coating
Wall Cladding:
Galvanized Steel Sheet, Sandwich Panel, Metal Cladding
Grade:
Q235 / Q355 / Q235B / Q355B
Connection Type:
Bolted, Welded
Application:
Industrial And Commercial
Type:
Prefab Steel Structure Building
Design Standard:
AISC, MBMA, AWS, ASTM
Wind Load:
Up To 300 Km/h
Surface Treatment:
Hot-dip Galvanization, Paint Coating
Wall Cladding:
Galvanized Steel Sheet, Sandwich Panel, Metal Cladding
Product Description
Pre-Engineered Industrial Steel Building Workshop Warehouse Frame
In the modern industrial landscape, a warehouse serves as the high-functioning nucleus of a successful supply chain. Qingdao Ruigang Heavy Industry Co., Ltd. specializes in the design and fabrication of heavy-duty Steel Structure Warehouses utilizing optimized Rigid Frame (Gable Frame) Systems. Our structures are engineered to provide maximum clear-span efficiency, exceptional load-bearing resilience, and a verified operational service life exceeding 50 years.
Rigid Frame System Engineering
Our warehouses leverage the Rigid Frame System, the international benchmark for industrial stability. By focusing on structural symmetry and high-tensile steel members, we deliver an exceptionally stable and cost-efficient building envelope.
  • Integrated Rigid Framework: Primary columns and rafters are fabricated from premium Q355B/Q235B structural steel, designed for optimal load distribution and foundation efficiency.
  • Corrosion-Resistant Secondary Framing: All C and Z-section purlins and girts receive galvanization, providing a secure, rust-proof framework for the building's cladding.
  • Localized Code Compliance: Every design is custom-calibrated to meet specific regional building codes (such as ASTM, Eurocode, or GB), ensuring the structure defies localized wind velocities, seismic activity, and heavy snow accumulation.
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
Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 0
Product Advantages
  • Expansive Column-Free Space: Our rigid frame engineering facilitates massive clear spans. This unobstructed floor plan is ideal for high-density racking, automated fulfillment systems, and heavy-machinery movement.
  • Accelerated Speed-to-Revenue: Every component is factory-prefabricated to millimeter-level tolerances. On-site installation is a streamlined "bolt-together" process, reducing construction timelines by up to 50% compared to traditional masonry.
  • Superior Material Integrity: Utilizing high-yield structural steel, our warehouses offer a superior strength-to-weight ratio, ensuring the building remains stable under extreme industrial stress and vibration.
  • Extended Life-Cycle Value: Steel is naturally resistant to pests, fire, and rot. When treated with our industrial-grade epoxy or galvanized coating systems, maintenance requirements are virtually eliminated over the decades.
Manufacturing & Quality Excellence
  • CNC Digital Fabrication: We employ multi-axis CNC drilling and high-definition laser cutting to ensure that every structural joint aligns perfectly on the first attempt, eliminating the need for on-site modifications.
  • Submerged Arc Welding (SAW): All primary frames undergo automated SAW processing, resulting in deep-penetration, defect-free welds that consistently outperform manual welding standards.
  • Integrity Validation (NDT): 100% of critical load-bearing welds undergo Ultrasonic (UT) or Magnetic Particle (MT) testing to verify total subsurface integrity.
  • Pre-Erection Trial Fit: Complex structural nodes are trial-assembled at our facility to validate geometry and bolt-hole alignment before they reach your project site.
Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 1 Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 2
Global Logistics & Installation Support
  • Volumetric Shipping Optimization: Our logistics team uses 3D nesting software to maximize container volume, significantly reducing your landed shipping costs while protecting components from transit stress.
  • Intuitive Component Marking: Every steel member is etched with a permanent, unique tracking ID that corresponds to our detailed 3D shop drawings, making the erection process straightforward for local crews.
  • Technical Advisory Services: We provide 24/7 remote technical support via video link. For large-scale infrastructure, we can mobilize on-site supervisors to lead the installation and quality-check process.
Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 3
Frequently Asked Questions
You are manufacture factory or trading company?
As a direct manufacturing facility based in Qingdao, China—just a stone's throw away from the Qingdao Port—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 with strength and reputation, and our quality inspection department will conduct 100% strict testing on the raw materials before entering our factory.
2) Our workers are all certified and regularly assessed, ensuring production quality.
3) During the production process, we have three parts: self-inspection, mutual inspection, and workshop inspection. Only qualified product can move to next step.
4) Before delivery, inspection working will check everything with delivery list, to ensure that we send you every items and you can install it locally.
What's the delivery time?
Usually 30 days. Don't worry about the delivery time at all, we have perfect management plan for each project, then deliver to you on time.
Do you offer service for installation?
Yes, we provide very detailed installation drawings and videos. Generally, you can install it locally as they are all prefabricated and bolted. Otherwise, we can also send engineer for guiding installation.
What's the payment term?
We have two payment terms:
1) 30% advance payment before producing by T/T, and 70% balance by T/T before shipping.
2) 100% irrevoable L/C
How to get a fast quotation?
Please send us your project preliminary drawing, then we would quote you accordingly in 2 days. Or we confirm several questions with you, then do quotation list with details for you timely.
Is your price competitive compared with other companies?
We are direct factory, yes, it's competitive, price and quality are guaranteed.
Our Steel Structure Fabrication Factory
Qingdao Ruigang Heavy Industry Co., Ltd. is a world-class authority in industrial steel solutions. With thousands of successful projects across 50+ countries, we provide the foundational framework for your long-term business success.
Build with precision. Contact our engineering team today for a tailored technical proposal and a transparent, professional quotation!
Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 4 Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 5 Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 6
Product Attributes
Pre-Engineered Industrial Steel Structure Warehouse with 300 km/h Wind Load, Hot-dip Galvanization, and Clear-Span Design 7
Overall Rating
5.0
★★★★★
★★★★★
Based On 50 Reviews Recently
5 Star
100%
4 Star
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All Reviews
  • K
    Kordaba Signe Ya Mabe
    United States Jan 1.2026
    ★★★★★
    ★★★★★
    Quality： the steel structure’s quality exceeds my expectations! All components are well-crafted, with smooth welds and durable materials that feel solid and reliable. No defects found—truly top-notch for long-term use. Installation： installation was a breeze! The factory provided clear, easy-to-follow guides, and all parts fit perfectly without adjustments. Even for my team, the process went faster than planned—super user-friendly. Customized service： their customized service is outstanding! They listened carefully to my specific needs, adjusted the design promptly, and kept me updated throughout. Quick responses and great attention to detail made the whole experience stress-free.
  • R
    Raneld Myeri
    Canada Jan 28.2025
    ★★★★★
    ★★★★★
    Quality:It is a great pleasure to work with Ruigang, detailed discussion, perfect production and fast delivery.
  • K
    Karim Dharsi Dhandho
    Uruguay Mar 8.2023
    ★★★★★
    ★★★★★
    Top-quality steel structures and outstanding customer service. Every detail was handled carefully, and delivery was on time. We are impressed by Steven's professionalism and will continue our cooperation.