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Qingdao Ruigang Steel Structure Co., Ltd.

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China Prefabricated Steel Structure Building with Q355/Q235 Steel Grade, Hot-Dip
China Prefabricated Steel Structure Building with Q355/Q235 Steel Grade, Hot-Dip

  1. China Prefabricated Steel Structure Building with Q355/Q235 Steel Grade, Hot-Dip

Prefabricated Steel Structure Building with Q355/Q235 Steel Grade, Hot-Dip

  1. MOQ: 200 Square Meter
  2. Price: USD30-99 Per Square Meter/ Negotiable
  3. Get Latest Price
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
Brand Name RG_STEEL
Model Number RG_STEEL
Certification SGS, BV,ISO
Place of Origin Shandong, China

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  1. Product Details
  2. Company Details

Product Specification

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
Brand Name RG_STEEL Model Number RG_STEEL
Certification SGS, BV,ISO Place of Origin Shandong, China
High Light Wind Load Up to 300 km/h Prefabricated Steel StructureHot-Dip Galvanization Steel Frame BuildingQ355/Q235 Steel Grade Multi-Storey Steel Building
Multi-Story High-Rise Steel Structure Public Building Professional Structural Steel Manufacturer

Prefabricated Multi-Story Steel Architecture

  • Industrialized Construction Paradigm We are redefining urban development by shifting from unpredictable site-based labor to a high-precision, factory-driven assembly model. By centralizing the production of structural skeletons and floor systems, we replace traditional construction volatility with industrial-grade certainty.

  • Precision Engineering & Rapid Deployment Our controlled manufacturing environment ensures millimeter-level accuracy and uncompromising quality. This streamlined process acts as a catalyst for compressed project timelines, ensuring faster occupancy and optimized capital deployment for high-density residential and corporate landmarks.

  • Spatial Fluidity & Future Agility Leveraging high-strength steel for expansive, column-free spans, our architecture maximizes leasable area. This "open-canvas" design provides developers with the long-term flexibility to reconfigure layouts as market trends and tenant needs evolve.

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
Steel structure building construction and assembly process
Advanced Painting System
  • Layer 1: Molecular Passivation & Reactive Priming As the primary chemical interceptor, this foundational layer passivates the steel substrate to neutralize oxidation at the molecular level. It establishes a high-tenacity, non-porous seal that effectively isolates the metal from moisture and saline ingress, ensuring the structural core remains immune to long-term environmental degradation.

  • Layer 2: Cross-Linked Molecular Armor (High-Build Epoxy) Engineered for peak mechanical and chemical endurance, this dense intermediate barrier utilizes a fortified cross-linked structure for superior interfacial adhesion. It creates a heavy-duty envelope that shields the structure from aggressive industrial pollutants, abrasive impacts, and the corrosive stresses of high-salinity or volatile climates.

  • Layer 3: Atmospheric Resilience & Chromatic Shield (PU Topcoat) The system is finalized with a premium Polyurethane finish, precision-engineered for permanent color fidelity and UV resistance. By actively filtering solar radiation, it prevents surface chalking and gloss degradation, ensuring the facility maintains a professional, vibrant aesthetic even after prolonged exposure to the harshest elements.

Common Applications
  • Agile Corporate & Commercial Environments We prioritize spatial fluidity by implementing expansive, column-free spans that grant developers an "open-canvas" floor plate. This engineering-led approach maximizes net leasable area (NLA) while providing the long-term structural agility required to adapt to evolving workplace configurations and future tenant demands.

  • High-Velocity Urban Residential Solutions We are establishing new benchmarks for vertical living through the rapid-track deployment of high-performance residential complexes. By integrating structural precision with inherent fire-resistant properties, our systems deliver a safe, high-quality, and predictable building solution tailored to the density requirements of modern metropolitan centers.

  • Sensitive Institutional & Healthcare Infrastructure Engineered for minimal community disruption, our methodology is purpose-built for healthcare and educational facilities. By leveraging off-site fabrication, we drastically compress construction schedules—allowing vital public services to become operational sooner while significantly reducing noise and logistical impact on the surrounding neighborhood.

  • High-Capacity Mobility & Vertical Parking Hubs We utilize high-strength modular steel frameworks to engineer scalable, high-load-bearing parking solutions. These structures are designed to endure high-frequency traffic and intense vehicular stresses, providing a durable, space-efficient response to the growing mobility challenges of congested urban environments.

Why Choose Our Steel Structures
  • Computational Material Stewardship & Optimization Utilizing high-fidelity structural modeling and BIM integration, we conduct rigorous engineering audits to eliminate material redundancy. This precision-led design approach ensures every ton of steel serves a specific structural purpose, significantly lowering capital expenditure while enhancing the building's overall sustainability and performance metrics.

  • Automated Technical Fidelity & Precision We bridge the gap between design intent and physical reality through advanced, digitally-controlled manufacturing protocols. By enforcing millimeter-level tolerances in a factory environment, we guarantee structural components that integrate seamlessly during field assembly, ensuring uncompromising reliability and eliminating costly on-site modifications.

  • Holistic Project Orchestration (Turnkey Governance) As a dedicated single-source partner, we streamline construction complexities by managing the entire structural lifecycle. Our unified workflow—from the initial architectural vision to final site handover—provides a cohesive management structure that reduces logistical friction, mitigates risk, and ensures total project synchronization.

  • Global Benchmark Compliance & Lifecycle Advocacy Our fabrication processes are anchored by a strict commitment to international engineering codes (including AISC, Eurocode, and GB standards), ensuring every structure exceeds global safety benchmarks. This is paired with a lifecycle-focused support model, providing proactive technical engagement and after-sales service to preserve the long-term asset value of your facility.

Packing & Loading
  • Engineered Transit Shielding & Structural Encapsulation To neutralize the rigors of international distribution, every component is secured within a multi-layered, industrial-grade shielding system. This robust encapsulation serves as a definitive barrier against mechanical impact and environmental stressors, ensuring that all elements arrive on-site with their factory-applied finishes and structural integrity perfectly intact.

  • Advanced Volumetric Nesting & Matrix Optimization We utilize sophisticated spatial algorithms to maximize the loading density of 40ft High Cube containers. By meticulously calculating the nesting of complex steel geometries, we significantly reduce shipping overhead and the project’s carbon footprint, while ensuring that all loads are balanced and stabilized for high-seas or overland transport.

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

Steel structure components packaging and loading process
Frequently Asked Questions
Are you a manufacturer or trading company?
As a direct manufacturing facility based in Qingdao, China, 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
2) Our workers are all certified and regularly assessed
3) We implement self-inspection, mutual inspection, and workshop inspection
4) Before delivery, inspection teams check everything against the delivery list
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.
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. is a leading global force in steel infrastructure, serving as a sophisticated turnkey partner that bridges the gap between visionary architectural concepts and structural reality. Our operations are powered by a 50,000m² state-of-the-art manufacturing campus and a dedicated team of 115 engineering and fabrication specialists, providing the industrial scale necessary for complex, high-precision projects. Strategically located in the West Coast New District with direct access to the Port of Qingdao, we leverage a premier logistical gateway to facilitate rapid global distribution, ensuring the seamless and sustainable delivery of world-class structural solutions to projects worldwide.
Qingdao Ruigang Heavy Industry factory facility and operations Steel structure manufacturing process and quality control Completed steel structure building projects and installations
Certifications
Industry certifications and quality standards compliance
Product Attributes
Steel structure product specifications and technical attributes

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2013

  • Total Annual:

    80000000-100000000

  • Employee Number:

    100~150

  • Ecer Certification:

    Verified Supplier

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Get in touch with us

  • Reach Us
  • Qingdao Ruigang Steel Structure Co., Ltd.
  • No.1 Songwang Road, Zhangjialou Town, Huangdao District, Qingdao, China
  • https://www.peb-steelstructure.com/

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