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Design Design

Design

32-member team of domestic and international experts + 3D modeling, three-dimensional visualization + expertise in international building codes

Production Production

Production

Advanced intelligent equipment + Full-process quality inspection traceability + CE/ISO certification for steel components 9 production lines enabling flexible manufacturing

Installation Installation

Installation

Chief Engineer + Experienced Installation Team + Complete Global On-Site Installation Delivery

Steel Structure Builders

Weilan Advantages

Centered around your business, we support clients ranging from general contractors to Business Owner/Individual, delivering end-to-end, differentiated support to enable simpler, more efficient, and mutually beneficial international trade.
General Contractors
Distributors
Business Owner/Individual
General Contractors

General Contractors

General Contractors

An engineering partner who can reduce costs, control risks, and deliver on time.
  • Integrated end-to-end services covering design, fabrication, on-site installation, and final delivery, with consolidated logistics to reduce overall project costs.
  • Using CE-certified Q235/Q355 steel to ensure full compliance with international quality and engineering standards.
  • A professional team of 32 experienced engineers delivering customized solutions to optimize steel usage and minimize total costs.
  • In-house manufacturing and a mature supply chain ensure on-schedule delivery, supporting phased production and shipment for large-scale projects.
  • 24/7 engineer rapid-response support, with on-site assistance available for major projects to ensure immediate issue resolution.
  • Strategic partners benefit from long-term priority in production capacity, pricing, and technical support.
Distributors

Distributors

Distributors

Fast – Profitable – Compliant steel structure support services
  • Own factory + Priority production schedule to ensure fast and on-time delivery
  • Highly competitive direct factory pricing + Joint marketing support to grow your business
  • Using internationally CE-certified Q235/Q355 steel + Expertise in international construction standards
  • Highly flexible product customization & expansion + Joint marketing and resource sharing = Collaborative market growth
  • 24/7 online engineer support | 1-year free maintenance
Business Owner/Individual

Business Owner/Individual

Business Owner/Individual

Lower overall costs, quick deployment
  • Design + Production + On-site Installation = Complete Steel Structure Delivery
  • 32 Experienced Domestic and International Designers | Over 6,590 Customized Engineering Solutions
  • Using Internationally CE-certified Q235/Q355 Steel
  • No Hidden Fees | Direct Factory Sourcing | Transparent Material List and Quotation
  • 24/7 Online Engineer Support | 1-Year Free Maintenance
CUSTOMIZATION

ODM Customization Services

Workshop Workshop

Workshop

Warehouse Warehouse

Warehouse

Workshop
Warehouse
Workshop
door
Industrial Electric Roll-Up Doors Industrial Electric Roll-Up Doors
Ventilation Louvers Ventilation Louvers
Lifting door Lifting door
Windows
Aluminum alloy windows Aluminum alloy windows
 High-level skylights High-level skylights
Ventilation louvers Ventilation louvers
General Layout
Eave Height, Clear Height Eave Height, Clear Height
Column Spacing, Span Column Spacing, Span
Main Steel Structure
Q235 Q355 Q235 Q355
Q235 Q355 Q235 Q355
Connection Method
High-Strength Bolts High-Strength Bolts
Standard Galvanized Bolts Standard Galvanized Bolts
Roofing System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh
Frame Configuration
Single Ridge Single Ridge
Multi-Ridge Multi-Ridge
Multi-Span with Different Heights Multi-Span with Different Heights
Parapet Wall Parapet Wall
Roof Drainage System
Siphonic Drainage System Siphonic Drainage System
Gutter System Gutter System
Gravity Drainage System Gravity Drainage System
Crane
Crane Crane
Wall System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Columns and Beams
Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components
Surface Corrosion Protection for Steel Components
Hot-dip galvanizing
Epoxy zinc-rich primer + micaceous iron oxide intermediate coat + epoxy topcoat (or fluorocarbon topcoat)
Red lead anti-rust primer + alkyd topcoat
Ventilation Methods
High-Level Roof Ventilator High-Level Roof Ventilator
Ventilation Louvers Ventilation Louvers
Roof FRP Skylight Panels Roof FRP Skylight Panels
Electric Roof Smoke Ventilation Skylight Electric Roof Smoke Ventilation Skylight
Roof Turbine Ventilator Roof Turbine Ventilator
Warehouse
door
Industrial Electric Rolling Shutter Door Industrial Electric Rolling Shutter Door
Industrial Sliding Door Industrial Sliding Door
Sectional Overhead Door Sectional Overhead Door
Ventilation System
High-Level Roof Ventilator High-Level Roof Ventilator
Ventilation Louvers Ventilation Louvers
Roof FRP Skylight Panels Roof FRP Skylight Panels
Electric Roof Smoke Ventilation Skylight Electric Roof Smoke Ventilation Skylight
Roof Turbine Ventilator Roof Turbine Ventilator
Wall System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Frame Configuration
Single Ridge Single Ridge
Multi-Ridge Multi-Ridge
Multi-Span with Different Heights Multi-Span with Different Heights
Parapet Wall Parapet Wall
Crane
Crane Crane
General Layout
Eave Height, Clear Height Eave Height, Clear Height
Column Spacing, Span Column Spacing, Span
Main Steel Structure
Q235 Q355 Q235 Q355
Q235 Q355 Q235 Q355
Roof Drainage System
Siphonic Drainage System Siphonic Drainage System
Gutter System Gutter System
Gravity Drainage System Gravity Drainage System
Connection Method
High-Strength Bolts High-Strength Bolts
Standard Galvanized Bolts Standard Galvanized Bolts
Roofing System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh
Columns and Beams
Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components
Windows
Aluminum alloy windows Aluminum alloy windows
High-level skylights High-level skylights
Ventilation louvers Ventilation louvers
Surface Corrosion Protection for Steel Components
Hot-dip galvanizing
Epoxy zinc-rich primer + micaceous iron oxide intermediate coat + epoxy topcoat (or fluorocarbon topcoat)
Red lead anti-rust primer + alkyd topcoat
door
Industrial Electric Roll-Up Doors Industrial Electric Roll-Up Doors
Ventilation Louvers Ventilation Louvers
Lifting door Lifting door
Windows
Aluminum alloy windows Aluminum alloy windows
 High-level skylights High-level skylights
Ventilation louvers Ventilation louvers
General Layout
Eave Height, Clear Height Eave Height, Clear Height
Column Spacing, Span Column Spacing, Span
Main Steel Structure
Q235 Q355 Q235 Q355
Q235 Q355 Q235 Q355
Connection Method
High-Strength Bolts High-Strength Bolts
Standard Galvanized Bolts Standard Galvanized Bolts
Roofing System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh
Frame Configuration
Single Ridge Single Ridge
Multi-Ridge Multi-Ridge
Multi-Span with Different Heights Multi-Span with Different Heights
Parapet Wall Parapet Wall
Roof Drainage System
Siphonic Drainage System Siphonic Drainage System
Gutter System Gutter System
Gravity Drainage System Gravity Drainage System
Crane
Crane Crane
Wall System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Columns and Beams
Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components
Surface Corrosion Protection for Steel Components
Hot-dip galvanizing
Epoxy zinc-rich primer + micaceous iron oxide intermediate coat + epoxy topcoat (or fluorocarbon topcoat)
Red lead anti-rust primer + alkyd topcoat
Ventilation Methods
High-Level Roof Ventilator High-Level Roof Ventilator
Ventilation Louvers Ventilation Louvers
Roof FRP Skylight Panels Roof FRP Skylight Panels
Electric Roof Smoke Ventilation Skylight Electric Roof Smoke Ventilation Skylight
Roof Turbine Ventilator Roof Turbine Ventilator
door
Industrial Electric Rolling Shutter Door Industrial Electric Rolling Shutter Door
Industrial Sliding Door Industrial Sliding Door
Sectional Overhead Door Sectional Overhead Door
Ventilation System
High-Level Roof Ventilator High-Level Roof Ventilator
Ventilation Louvers Ventilation Louvers
Roof FRP Skylight Panels Roof FRP Skylight Panels
Electric Roof Smoke Ventilation Skylight Electric Roof Smoke Ventilation Skylight
Roof Turbine Ventilator Roof Turbine Ventilator
Wall System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Frame Configuration
Single Ridge Single Ridge
Multi-Ridge Multi-Ridge
Multi-Span with Different Heights Multi-Span with Different Heights
Parapet Wall Parapet Wall
Crane
Crane Crane
General Layout
Eave Height, Clear Height Eave Height, Clear Height
Column Spacing, Span Column Spacing, Span
Main Steel Structure
Q235 Q355 Q235 Q355
Q235 Q355 Q235 Q355
Roof Drainage System
Siphonic Drainage System Siphonic Drainage System
Gutter System Gutter System
Gravity Drainage System Gravity Drainage System
Connection Method
High-Strength Bolts High-Strength Bolts
Standard Galvanized Bolts Standard Galvanized Bolts
Roofing System
PU Edge-Sealed Rock Wool Sandwich Panel PU Edge-Sealed Rock Wool Sandwich Panel
Full PU Sandwich Panel Full PU Sandwich Panel
Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh Single-Layer Color Corrugated Steel Sheet + Fiberglass Insulation Layer (Thermal Bridge Prevention) + Galvanized Steel Wire Mesh
Columns and Beams
Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components Precast Welded H-Section Steel / Hot-Rolled H-Section Steel Components
Windows
Aluminum alloy windows Aluminum alloy windows
High-level skylights High-level skylights
Ventilation louvers Ventilation louvers
Surface Corrosion Protection for Steel Components
Hot-dip galvanizing
Epoxy zinc-rich primer + micaceous iron oxide intermediate coat + epoxy topcoat (or fluorocarbon topcoat)
Red lead anti-rust primer + alkyd topcoat
Services We Can Provide for You: 3-business-day design turnaround, Customization available, Graphic design and 3D modeling
Contact Us for Customization
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About Us

Step into Weilan

Weilan holds multiple qualifications including Grade II General Contracting for Construction Engineering, Grade I Light Steel Design, Grade II Steel Structure, Grade II Municipal Engineering, Grade II Fire Protection, Grade II Mechanical & Electrical Engineering, and Specialized Contracting for Structural Reinforcement.
25 Years
Expert Team in
Steel Structure Industry
32 +
Domestic and
 International Engineers
26,650
Factory Area
450
Steel Structure Installers
Capable of Global Construction
CASE STUDIES

Engineering Case Studies

  • Manufacturing
  • Logistics and Warehousing
  • Service Industry
  • Integrated Development Projects

Maen: Steel Structure Workshop

Key Information Display Area: 28946.15 ㎡ Covering panels: The roof panels are made of 0.6mm thick 760-type angle-seam 3-type color steel plates. The roof can be used for photovoltaics. The roof uses expanded glass wool. The wall panels are made of ...

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FAQ

Answering Your Questions

This FAQ addresses core questions about steel structure durability, cost efficiency, installation speed, sustainability and project customization needs.

1. How to obtain a quote?

To provide you with an accurate price, we need the following information:

  • Building dimensions (length × width × height)
  • Building Types (Workshop / Warehouse / Industrial Plant / Office-Workshop Building / Prefabricated Industrial Building)
    Application Scenarios (Manufacturing / Logistics / Storage / Industrial Production)
  • Local wind load, snow load, and seismic rating
  • Whether insulation is required
  • Location and quantity of doors and windows
  • If you have drawings, we can provide a faster quote and optimize the structure.
2. Can you design according to my country's building codes?
3. What is the production lead time?
4. How is the installation handled & do you provide installation services?
5. How is the installation handled & do you provide installation services?
6. How is quality guaranteed?
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INFORMATION

Company Name
Phone/WhatsApp
Email
Building Type
Consultation Information
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CONTACT

Get in Touch

Ready to embark on your steel structure customization journey with us? Fill out the form and our team will contact you within 24 hours.