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Qingdao Ruigang Steel Structure Co., Ltd. Company Profile
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Home > Products > Steel Structure Building > Free Design Prefabricated Steel Factory Industrial Warehouse Buildings
Product Details
Highlight:

prefabricated steel factory buildings

,

industrial warehouse steel structures

,

custom design steel buildings

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

Free Design Prefabricated Steel Factory Industrial Warehouse Buildings

Steel structure building delivers an ideal, long-term prefab steel building framework for industrial warehouses, manufacturing workshops, commercial logistics hubs, and heavy equipment storage facilities. Produced on automated structural steel fabrication lines, these heavy-duty pre-engineered metal buildings feature an open, column-free clear-span design to maximize total usable floor space. This expansive operational layout streamlines material handling workflows, clears pathways for automated machinery, and facilitates seamless overhead crane integration. Built for extreme environmental resilience, Ruigang’s customizable steel structure building kits supply exceptional seismic resistance, fire-retardant performance, and rapid on-site assembly to protect your physical corporate assets worldwide.

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

Structural Engineering & Direct-from-Factory Advantage

  • Interference-Free Tekla 3D Detailing: Our engineering team relies on Tekla Structures to construct precise 3D spatial models of your building framework. This virtual assembly process eliminates component collisions between primary rafter beams, secondary purlins, and crane runways prior to fabrication.

  • Sa2.5 Grade Surface Treatment: Before protective coatings are applied, every structural element undergoes high-velocity centrifugal Shot Blasting to Sa2.5 Cleanliness. Stripping raw steel down to bare metal establishes an optimal mechanical bonding profile for anti-corrosion epoxies, fireproofing coats, or long-lasting hot-dip galvanization.

  • International Code Compliance: We engineer structural members to comply with global regulatory standards, including ASTM (US), Eurocode, and GB (China) design frameworks. Each building is calculated to withstand localized wind loads, heavy snow accumulation, and regional seismic activity.

  • Containerized Volumetric Optimization: Leveraging our proximity to Qingdao Port, we employ algorithmic 3D container packing blueprints to interlock structural members inside 40' HQ ocean containers, maximizing volumetric density and reducing international ocean freight costs.

Precision Connection Mechanics & Weatherproof Building Envelope

  • Pre-Tensioned Friction Joint Assemblies: Primary frame splices—including column-to-beam joints and ridge nodes—are secured using high-tensile Grade 10.9 high-strength bolts. These pre-tensioned fasteners create rigid moment connections designed to absorb dynamic vibrations from traveling overhead cranes and resist lateral wind shear.

  • Baseplate Shear Key Interlocking: To protect anchor bolts from excessive horizontal forces caused by wind uplift or seismic motion, we weld heavy-gauge steel shear keys (shear lugs) directly beneath main column baseplates. These lugs anchor into foundation recesses, allowing anchor bolts to focus strictly on vertical stability.

  • Thermal-Break Cladding Fastening: Standard metal fasteners piercing roof panels can create thermal bridges that lead to internal moisture condensation. Ruigang resolves this by using UV-stabilized thermal nylon insulation fasteners to break thermal pathways, preventing interior condensation dripping and preserving insulation integrity.

  • Perimeter Flashing & Parapet Armor: Vulnerable building edges, roof transitions, and parapet walls are sealed with custom-formed galvanized Flashing & Trim profiles backed by high-tack butyl tape to stop capillary water draw.

Foundation Coordination & Onsite Civil Alignment

  • Proactive Structural Alignment: We eliminate gaps between civil foundation work and steel framework, guaranteeing precise matching between concrete piers and structural columns.

  • Early-Stage Foundation Layouts: While steel components are being manufactured, our design team dispatches detailed Foundation Anchor Bolt Layouts and loading diagrams ahead of schedule.

  • Accurate Embedment Metrics: These schematics provide your local civil contractor with exact coordinates, embedment depths, and positioning data for all embedded plates and anchor bolt clusters.

  • Turnkey Onsite Verification: Early delivery of foundation blueprints allows local teams to pour concrete with confidence, ensuring structural uprights drop onto pre-set anchor bolts without requiring field modifications.

Smart Staging & Non-Destructive Unloading Protocol

  • Individual Component Barcode Labeling: Every column, beam, purlin, and bracing member is marked with a weather-resistant alphanumeric tag corresponding to your Tekla 3D erection drawings for effortless site sorting.

  • Vibration-Absorbing Timber Dunnage: To protect coatings during ocean transit, heavy-duty timber dunnage and contoured wood blocks are placed between stacked members to neutralize vibrations and prevent friction.

  • Pre-Rigged Synthetic Lifters: High-capacity nylon lifting slings are pre-wrapped around heavy steel bundles inside the ocean containers during factory loading.

  • Safe, Non-Destructive Stripping: Crane and forklift operators can attach directly to these soft synthetic slings to extract components safely, avoiding the surface gouging caused by metal chains and preserving the Sa2.5 anti-corrosion coating.

Frequently Asked Questions (FAQ)

Q1: You are manufacture factory or trading company?

A: 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?

A:

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?

A: 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?
A: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?
A: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?
A: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?
A:We are direct factory, yes, it`s competitive, price and quality are guaranteed.


Free Design Prefabricated Steel Factory Industrial Warehouse Buildings

Production Process


Free Design Prefabricated Steel Factory Industrial Warehouse Buildings



Packing & Loading:



Free Design Prefabricated Steel Factory Industrial Warehouse Buildings



Our Steel Structure Fabricaiton Factory:



Free Design Prefabricated Steel Factory Industrial Warehouse Buildings

Free Design Prefabricated Steel Factory Industrial Warehouse Buildings

Free Design Prefabricated Steel Factory Industrial Warehouse Buildings

Free Design Prefabricated Steel Factory Industrial Warehouse Buildings


Certification


Free Design Prefabricated Steel Factory Industrial Warehouse Buildings


Product Attributes


Free Design Prefabricated Steel Factory Industrial Warehouse Buildings


Free Design Prefabricated Steel Factory Industrial Warehouse Buildings

Free Design Prefabricated Steel Factory Industrial Warehouse Buildings