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Qingdao Ruigang Steel Structure Co., Ltd.
Qingdao Ruigang Steel Structure Co., Ltd.
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Multi-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel Grade

Qingdao Ruigang Steel Structure Co., Ltd.
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Multi-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel Grade

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

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High Rise Multi-Story Prefab Steel Frame Steel Structure Hotel Apartment Hospital Exhibition Hall Public Building
Multi-story steel architecture serves as the foundation for a new era of urban development, replacing antiquated on-site construction with a sophisticated, factory-driven assembly model. By centralizing the production of structural skeletons and high-performance floor systems within a precision-controlled environment, we eliminate the volatility of traditional building sites and replace it with industrial-grade certainty. This evolution ensures superior structural fidelity while acting as a strategic engine for project acceleration—dramatically shortening the journey from groundbreaking to occupancy for premium corporate towers and high-density residential landmarks.
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
Multi-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel Grade
Advanced Painting System
  • Substrate Passivation & Reactive Priming (Anti-Corrosion) Acting as a primary chemical interceptor, this foundational layer passivates the steel surface to inhibit oxidation at the molecular level. It establishes a high-performance, non-permeable seal that effectively isolates the metal from moisture and chloride ingress, ensuring the structural core remains resilient against long-term environmental decay.

  • Cross-Linked Molecular Armor (High-Build Epoxy) This dense, intermediate barrier is engineered for peak mechanical endurance and chemical resistance. Its advanced cross-linked structure provides exceptional interfacial adhesion, creating a fortified envelope that shields the structure from aggressive industrial pollutants, abrasive impacts, and the corrosive stresses of extreme climates.

  • Atmospheric Resilience & Aesthetic Shield (PU Topcoat) The coating system is finalized with a premium Polyurethane finish designed for permanent chromatic stability. By providing an active filter against intense solar radiation, it prevents UV-driven chalking and gloss degradation, ensuring that the facility maintains its structural health and professional visual impact even under the harshest exposure.

Common Applications
  • Advanced Corporate & Commercial Environments Our engineering philosophy prioritizes maximum spatial fluidity by implementing expansive, column-free spans. This "open-canvas" approach not only maximizes net leasable area for developers but also provides the long-term structural agility required to reconfigure floor plans as modern workplace trends and tenant requirements evolve.

  • High-Density Urban Residential Solutions We are setting a new benchmark for vertical living through the rapid-track deployment of high-performance apartment and condominium complexes. By integrating superior structural fidelity with inherent fire-resistant properties, our prefabricated systems deliver a predictable, high-quality residential product that meets the stringent safety and density mandates of modern urban centers.

  • Institutional, Healthcare & Educational Infrastructure Designed for minimal community disruption, our construction methodology is ideal for sensitive public projects. By utilizing accelerated site mobilization and off-site fabrication, we drastically compress construction schedules for hospitals and schools, allowing vital services to become operational sooner while significantly reducing noise and logistical impact on the surrounding neighborhood.

  • High-Capacity Vertical Mobility & Parking Hubs We leverage high-strength modular steel frameworks to engineer scalable, high-load-bearing parking solutions. These structures are purpose-built to withstand high-frequency traffic and intense vehicle stresses, offering a durable and space-efficient answer to the complex mobility challenges of rapidly growing urban environments.

Why Choose Our Steel Structures
  • Computational Resource Stewardship By leveraging high-fidelity structural modeling, we eliminate material redundancy and ensure every kilogram of steel is utilized with maximum efficiency. This rigorous approach to strategic fiscal engineering directly lowers capital expenditure while enhancing building performance, ensuring your project is both structurally superior and financially optimized.

  • Automated Technical Fidelity We bridge the gap between design intent and physical reality through precision-driven manufacturing protocols. By enforcing millimeter-level tolerances within a controlled factory environment, we achieve a level of technical accuracy that guarantees uncompromising structural reliability and seamless, rapid integration during on-site assembly.

  • Holistic Project Orchestration As your dedicated single-source turnkey partner, we eliminate the friction of multi-vendor coordination by managing the entire structural lifecycle. Our integrated workflow—extending from the initial conceptual draft to the final field handover—provides a cohesive governance structure that significantly reduces risk and ensures total operational synchronization.

  • Global Benchmark Compliance & Lifecycle Advocacy Our fabrication process is anchored by a strict commitment to international engineering codes, ensuring every structure meets the highest global safety and quality standards. This is paired with a proactive lifecycle support model, providing the technical assistance and after-sales engagement necessary to preserve the long-term asset value of your facility.

Packing & Loading
  • Advanced Structural Encapsulation We utilize a multi-layered, industrial-grade shielding system to secure every component against the rigors of international transit. This robust packaging protocol serves as a definitive barrier against mechanical impact and environmental stressors, ensuring that each element arrives at the project site with its factory-applied finish and structural integrity perfectly preserved.

  • High-Efficiency Volumetric Nesting Through the use of advanced spatial algorithms, we optimize the loading matrix of 40ft High Cube containers to maximize volumetric capacity. By meticulously calculating the arrangement of complex steel geometries, we significantly reduce shipping overhead and the project’s carbon footprint while ensuring all loads are balanced and stabilized for high-seas or overland transport.

  • Integrated Just-in-Time (JIT) Delivery Our logistical framework is synchronized directly with your project’s master construction schedule to ensure precision-timed fulfillment. By maintaining a transparent, end-to-end supply chain, we align material arrival with specific on-site assembly phases, effectively eliminating storage bottlenecks and maintaining continuous momentum throughout the build cycle.

Multi-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel Grade
Frequently Asked Questions
Are you a manufacturer 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 conducts 100% strict testing on raw materials before entering our factory.
2) Our workers are all certified and regularly assessed to guarantee production quality.
3) During production, we implement self-inspection, mutual inspection, and workshop inspection. Only qualified products move to the next step.
4) Before delivery, inspection teams check everything against the delivery list to ensure all items are included for local installation.
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. Alternatively, we can confirm specifications with you and provide a detailed quotation list promptly.
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. operates as a premier global authority in steel infrastructure, serving as a comprehensive turnkey partner that transforms sophisticated architectural visions into high-performance structural realities. Our operations are anchored by a 50,000m² state-of-the-art manufacturing campus and a specialized workforce of 115 engineering and fabrication experts, providing the industrial capacity required for complex, large-scale projects. Strategically positioned in the West Coast New District with direct proximity to the Port of Qingdao, we leverage a world-class logistical gateway to facilitate rapid global distribution, ensuring the seamless and sustainable delivery of precision-engineered structural solutions to any destination.
Multi-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel GradeMulti-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel GradeMulti-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel Grade
Certifications
Multi-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel Grade
Product Attributes
Multi-Storey Steel Building with Wind Load Up to 300 km/h Hot-dip Galvanization and Q355/Q235 Steel Grade

Product Tags:

Wind Load Up to 300 km/h Multi-Storey Steel Building

      

Hot-dip Galvanization Prefab Steel Structure

      

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