Industrial Portal Pre-Engineered Prefabricated Steel Structure Buildings
Product Attributes
| Secondary Frame |
C&Z Purlin, Brace |
| Performance |
Safety, Water-Proof, Sound Insulated, Heat-Preservation |
| Roof Cladding |
Steel Sheet / Sandwich Panel |
| Surface Treatment |
Hot DIP Galvanized or Painted |
| HS Code |
7308900000 |
| Connection |
Bolt Connection or Welded Connection |
| Wall and Roof Sandwich Panel |
EPS, Rock Wool, Glass Wool, PU |
| After-sales Service |
Online Technical Support, Onsite Installation |
Product Description
Prefabricated Steel structure building is designed to meet every customer's specific requirements. If our example pictures don't match your needs, simply provide your building specifications or drawings, and we'll create a customized design and quotation for you.
Our prefabricated steel structures are widely used for:
- Workshops, warehouses, factories, and industrial plants
- Commercial buildings, offices, hospitals, and schools
- Agricultural buildings (poultry houses, cow sheds, etc.)
- Hangars, garages, parking structures, and stadiums
- Oil & Gas, Mining, and Energy sector facilities
Technical Specifications
| Component |
Specification |
| Main Structure (Column/Beam) |
Q235/Q355 Welded H Section Steel |
| Welding |
Automatic Submerged Arc Welding |
| Surface Processing |
Twice primer and twice finish Alkyd paint or hot dip galvanized |
| High Strength Bolt |
Grade 10.9 |
| Roof Purlin |
C channel or Z channel, steel Q235, galvanized |
| Wall Purlin |
C channel or Z channel, steel Q235, galvanized |
| Wind Resistance |
12 Grades |
| Earthquake-resistance |
8 Grades |
| Structure Usage |
Up to 50 years |
Customized service and personalized design are welcomed!
Technical Support
If you have drawings, share them with us for an accurate quotation. Without drawings, our design team will create plans based on your requirements.
We provide comprehensive ONE-STOP service including consultation, R&D, design, manufacturing, installation, and after-sales support.
Production Process
We implement strict quality control at all manufacturing stages, from raw materials to finished products, adhering to our "Quality First, Technology Ahead" philosophy.
Packaging & Shipping
Steel components are packaged with structure pallets and coded for easy identification. Smaller items are bundled with tags for organization.
Company Profile
LJ Steel Structure is a professional manufacturer located in Weifang, specializing in customized steel building solutions through innovative design and meticulous cost analysis.
We provide complete solutions from design to construction, including free 3D sketches and design drawings, with strong online technical support.
Our professional R&D and quality control teams ensure products with precise welding and dimensions, serving satisfied customers worldwide.
Main Products
- Steel structure buildings
- Prefabricated container houses
- Metal sandwich panels
Frequently Asked Questions
Q1: Is your company a factory or trading company?
A: We are manufacturer with foreign trade department, offering competitive prices and professional service. You're welcome to visit our factory anytime.
Q2: What are your main products?
A: We provide steel structure warehouses, workshops, plants, prefabricated houses, container homes, aircraft hangars, and sandwich panels. Custom designs available.
Q3: What's your quality assurance process?
A: Our ISO9001-based quality system includes rigorous inspections at all stages, with testing laboratories ensuring material and product quality.
Q4: Do you provide installation services?
A: We provide installation instructions for all projects and can send engineers for on-site installation assistance when needed.
Q5: What information is needed for a quotation?
Please provide:
- Project location and environmental conditions (snow/wind/seismic loads)
- Building dimensions and layout requirements
- Door/window specifications
- Crane requirements (if any)
- Other relevant information
