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Brand Name : RG_STEEL
Model Number : RG_STEEL
Certification : SGS, BV,ISO
Place of Origin : Shandong, China
MOQ : 200 Square Meter
Price : USD30-99 Per Square Meter/ Negotiable
Payment Terms : L/C,T/T,Western Union
Supply Ability : 20000 Square Meter Per Month
Delivery Time : 30 Days
Packaging Details : As request
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
The Pre-Engineered Building (PEB) system has transformed the traditional construction landscape into a streamlined, factory-integrated process. At Qingdao Ruigang Heavy Industry, we treat every structure as a high-performance asset. Our PEB solutions harmonize primary structural frames with secondary members and advanced cladding into one cohesive, optimized system. By utilizing specialized structural simulation, we eliminate unnecessary material weight while enhancing load-bearing capacity, providing a rapid-deployment framework for smart factories, high-density logistics hubs, and specialized industrial facilities.
| 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 |

Calculated Economic Efficiency: Our engineering team utilizes tapered-web designs and high-tensile steel to support massive spans with minimal material. This reduces your upfront procurement costs and significantly lowers the demands on your foundation engineering.
Predictable Project Velocity: By shifting 95% of the labor to our controlled factory environment, we bypass the delays common in traditional construction. Your facility moves from blueprint to operational status in a fraction of the time, accelerating your time-to-market.
Unimpeded Interior Volume: We specialize in ultra-wide "Clear Span" configurations that provide up to 60+ meters of column-free space. This offers total layout flexibility for automated production lines, heavy machinery, or large-scale inventory management.
Extreme Climate Resilience: Every building is custom-engineered to endure localized site hazards—ranging from high-velocity wind zones and heavy snow accumulation to intense seismic activity—ensuring maximum occupant safety and asset protection.
Modular Adaptability: The inherent nature of our steel systems allows for seamless future modifications. Whether you need to extend the building length or integrate mezzanine floors, our structures are designed to grow with your business.
High-Yield Structural Stock: We exclusively source certified Q355B and Q235B structural steel, ensuring consistent ductility and strength-to-weight ratios across every component.
Digital Fabrication Precision: Our facility is equipped with multi-axis CNC drilling and high-definition laser processing units, maintaining tolerances within a millimeter to ensure a "perfect fit" during on-site assembly.
High-Integrity Fusion Welding: Utilizing automated Submerged Arc Welding (SAW) and robotic stations, we produce deep-penetration seams that offer superior fatigue resistance compared to manual field welding.
Advanced Surface Shielding: To combat oxidation and chemical wear, we offer multi-tier protection, including high-micron hot-dip galvanization and marine-grade epoxy coatings tailored to your project’s specific humidity and salinity levels.
High-Performance Envelope Systems: We provide a curated selection of cladding, from fire-rated Rockwool sandwich panels to high-R-value PU cores, optimizing the building’s thermal efficiency and acoustic profile.

Standardized Manufacturing Excellence: Our production ecosystem is fully aligned with ISO 9001:2015 and CE mandates, providing a verified quality benchmark that meets rigorous international safety codes.
Subsurface Integrity Validation: We implement strict Non-Destructive Testing (NDT), including Ultrasonic and Magnetic Particle inspections, on all primary load-bearing welds to guarantee zero internal flaws.
Transparent Traceability: Every project is delivered with a complete quality dossier, including Mill Test Certificates (MTCs), ensuring that every piece of steel used is fully documented and verified.
Pre-Erection Trial Fitting: For complex structural geometries, we conduct full-scale shop trial assemblies. This preemptive step identifies and resolves any fit-up issues before the components are dispatched.
Independent Auditor Support: We maintain an open-gate policy for global inspection leaders like SGS, BV, and TUV, ensuring that the final product adheres to your specific regulatory and quality requirements.
Volumetric Loading Strategy: Our logistics experts use 3D nesting software to optimize every cubic inch of container space (40HQ/OT), significantly reducing your landed shipping costs while preventing transit damage.
Intuitive Assembly Toolkit: Every shipment includes a comprehensive "Erection Guide," featuring serialized 3D blueprints, high-definition video walkthroughs, and granular inventory maps for the local crew.
Smart Component Identification: Every steel member is etched with a permanent, unique tracking code. This "plug-and-play" marking system allows for rapid identification on-site, minimizing the need for specialized labor.
Virtual Engineering Hot-Desk: We bridge the distance with 24/7 technical support via video link, allowing your site supervisor to consult directly with our design engineers in real-time.
Field Leadership Deployment: For large-scale infrastructure, we can mobilize our senior technical advisors to your site to provide leadership, quality oversight, and specialized training for your local workforce.

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, 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.
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,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.
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 2days. 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.
Qingdao Ruigang Heavy Industry Co., Ltd. is a world-class authority in the design and fabrication of sophisticated steel structures. With a legacy defined by engineering precision and a global footprint spanning over 50 countries, we provide the skeletal framework for modern industry. We don't just supply buildings; we provide the foundational infrastructure for your long-term business success.
Build your vision with a partner you can trust. Contact our engineering team today for a tailored technical proposal and a comprehensive, transparent quotation!




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Durable Pre-Engineered Building with Wind Load Up to 300 km/h, Hot-dip Galvanization, and Bolted or Welded Connection Images |