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Qingdao Ruigang Steel Structure Co., Ltd. Company Profile
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Home > Products > Steel Structure Warehouse > Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building
Product Details
Highlight:

prefabricated steel workshop building

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pre-engineered industrial steel warehouse

,

steel structure warehouse frame

Origin:
China
Cost:
Cost-effective
Technician:
Free Technical Support
Color:
Client's Request
Advantage:
Lightweight
Certificates:
SGS/Ce/ISO
Surface:
Galvanize Or Painted
Lifespan:
More Than 50 Years
Aesthetics:
Modern/Contemporary
Application:
Industrial Pre Engineered Metal Buildings
Origin:
China
Cost:
Cost-effective
Technician:
Free Technical Support
Color:
Client's Request
Advantage:
Lightweight
Certificates:
SGS/Ce/ISO
Surface:
Galvanize Or Painted
Lifespan:
More Than 50 Years
Aesthetics:
Modern/Contemporary
Application:
Industrial Pre Engineered Metal Buildings
Product Description
Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Engineered steel warehouse frames provide a highly efficient, heavy-duty structural framework tailored for expanding industrial footprint. Combining precision-crafted load-bearing columns, sturdy roof trusses, and customized wall assemblies, this modern construction approach enables rapid jobsite erection, expansive open-span interiors, and reliable performance under severe environmental conditions.

Technical Specifications
Items Detailed Specifications
Main Steel Frame(Column+Beam) Q235,Q345 Welded H Section Steel
Secondary Frame Purlin: Q235 C and Z purlin
Bracing: Q235 Round Bar,Angle Steel,Steel Pipe
Roof and Wall Insulation: EPS/Fiber glass wool/Rock wool/PU
Sheeting: PPGI single Sheet
Design Standards GB/T, AISC, Eurocode, or Local Building Codes Compliance
Accessories Windows: Aluminum Alloy /PVC Window,etc.
Doors: Sliding/swing sandwich panel door/Roll-up Door

Draining system: Stainless/PPGI single sheet gutter+ PVC pipe

Anti-rust options

Anti-rust painting(Alkyd/Epoxy) or Galvanized

Factory-Direct--Key Advantages
  • Integrated Manufacturing & Coastal Port Staging: Fabricated in-house at Qingdao Ruigang Heavy Industry Co., Ltd.'s 50,000+ sqm industrial park in Qingdao, China, utilizing immediate access to local port terminals to optimize container dispatch and reduce international shipping overhead.

  • Custom Architectural Modeling: Engineered around exact site footprints, overhead crane specifications, and regional building standards using advanced 3D Tekla Structures and PKPM structural design software.

  • Long-Term Corrosion Protection: Heavy-duty surface protection via hot-dip galvanizing (>= 85 um) or multi-coat epoxy primer systems engineered to withstand harsh coastal, high-humidity, or equatorial climates for 50+ years.

  • Maximize Freight Load Density: Specialized container packaging and customized steel skid bundling optimize space inside 40HQ ocean containers, safeguarding pre-drilled members while significantly lowering transport costs.

  • Rapid Field Erection: Factory-punched bolt connections bypass the need for jobsite welding, drastically shortening construction timelines. Supplied with complete 3D installation blueprints, foundation diagrams, and technical field guidance.

Why Global Buyers Trust Ruigang Heavy Industry:
  • Massive Production Infrastructure: Operates over 50,000 sqm of modern shop floor equipped with automated CNC plasma cutters, heavy H-beam submerged arc welding lines, and industrial shot-blasting rust removal systems.

  • Certified Quality & Global Compliance: Accredited under ISO9001, ISO14001, CE, and AWS (American Welding Society) standards. Every production batch undergoes non-destructive ultrasonic testing (NDT) prior to shipment.

  • Worldwide Track Record: Over 15 years of international export experience, supplying custom structural steel projects to more than 60 countries across Southeast Asia, South America, Africa, and the Middle East.

Detailed Technical Specifications

Manufacturer: Qingdao Ruigang Heavy Industry Co., Ltd.

Primary Framing Material: Q355B / Q235B Welded Heavy H-Beams, Box Columns, and Truss Assemblies

Secondary Structural Support: High-Tensile Hot-Dip Galvanized C/Z Purlins, Tie Rods, and Cross Bracing

Roof & Wall Cladding: Insulated Sandwich Panels (Rockwool, PU, EPS) or Single Color-Coated Corrugated Steel Sheets

Surface Finish Options: Heavy Hot-Dip Galvanized Coating (>= 85 um) or Multi-Coat Epoxy Zinc System (> 100 um)

Overhead Crane Support: Integrated Crane Runway Brackets Engineered for 5-Ton to 20-Ton Bridge Cranes

Design Ratings: Wind Resistance up to 140 km/h (0.60 KN/m²); Seismic Resistance Class 8 (Zone 4)

Quality Assurance Protocols: AWS Welding Standards, Ultrasonic NDT Weld Inspections, ISO9001 Certification

Structural Service Life: Primary Steel Framework 50+ Years; Wall & Roof Sheeting 15 to 25 Years

Engineering Services & Assembly Support
  • Permitting Technical Documentation: In-house structural engineers prepare full 3D Tekla models, fabrication drawings, and structural calculation reports compliant with local municipal building codes.

  • Laser Identification Tags: Each prefabricated steel component features a laser-etched ID code matching the assembly manual 1-to-1, ensuring swift jobsite sorting and zero placement errors.

  • Flexible On-Site Supervision: Every order includes detailed 3D erection guides, step-by-step video tutorials, and 24/7 video support. Experienced Ruigang field engineers can also be deployed to your project site to supervise local crews.

Frequently Asked Questions (FAQ)

Q1: You are manufacture factory or trading company?

We are direct manufacture factory, located in Qingdao, China, very close to Qingdao port. we have strictly quality management system,professional design team, strong production capacity and rich manufacturing experience.

Q2: 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, In this way, we can guarantee the 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.

Q3: 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.

Q4:Do you offer service for installation?
Yes,But we will provide very detailed installation drawings and videos. Generally, you can install it locally,they are all prefabricated and bolted.
Otherwise , we can also send engineer for guiding installation.

Q5: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

Q6:How to get a fast quotation?
Please send us your project preliminary drawing, then we would quote you accordingly in 2days. Or we confirm several questions with you, then do quotation list with details for you timely.

Q7:Is your price competitive compared with other companies?
We are direct factory, yes, it`s competitive, price and quality are guaranteed.

Production Process

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Packing & Loading:

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Our Steel Structure Fabricaiton Factory:

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Certification

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Product Attributes

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Prefabricated Steel Structure Workshop/Pre-Engineered Industrial Steel Building/Steel Workshop Warehouse Frame/Steel Building

Overall Rating
5.0
★★★★★
★★★★★
Based On 50 Reviews Recently
5 Star
100%
4 Star
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3 Star
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All Reviews
  • D
    Dawey Kitumbula
    Iraq Dec 9.2025
    ★★★★★
    ★★★★★
    We chose this company for our steel structure project, and the outcome surpassed all expectations! Their team was professional and efficient from design to construction, making the entire process seamless. The high-quality steel ensures a stable, durable structure that perfectly meets our needs. Notably, the construction period was nearly halved compared to traditional methods, saving us significant time and costs. Attention to detail was impressive—from precise welding to thorough anti-rust coating. The team communicated promptly and resolved issues quickly, giving us complete peace of mind. The finished building is not only aesthetically pleasing but also boasts excellent earthquake and wind resistance, with a high safety factor. Highly recommend for anyone needing steel structure construction—cost-effective, reliable, and trustworthy. We’ll definitely cooperate again!
  • A
    Angie Lopez
    Pakistan Mar 6.2024
    ★★★★★
    ★★★★★
    Very professional and trustworthy. The delivery was swiftl. I will surely work with the supplier again.
  • E
    Emgenuel Wanea
    Bangladesh Mar 1.2023
    ★★★★★
    ★★★★★
    Great experience working with this team! The steel structure quality is stable and reliable, and they showed strong professional knowledge in solving our questions quickly. Very pleased with the service.