| Structure | Part | Specification |
|---|---|---|
| Main Structure | Frame Column and Beam | Q355B H/I Section |
| Welding | Automatic Submerged Arc Welding | |
| Rust Removing | Shot Blasting | |
| Surface Processing | Coating or Galvanized | |
| Secondary Structure | Purlin | C/Z Purlin (C120-C320, Z100-Z300) |
| Bracing | Q235B L-Steel / Round Pipe | |
| Tie Bar | Q235B Round Bar | |
| Roof & Wall | Cladding Material | Sandwich Panel (PU/Glasswool/Rock Wool/EPS) |
| Accessories | Doors & Windows | Electric Rolling/Sliding Doors, Aluminum/PVC Windows |
To provide an accurate design and quote, please confirm the following:
Professional design team of 20 people with 10 years of experience to meet individual structural needs.
Following AWS-D1.1/D1.5 systems with professional CWI inspectors ensuring high-quality welding and stability.
Two modern factories covering 150,000 sqm ensuring delivery within 30 days for standard projects.



Real-time photos and videos of all production links, from raw materials to final steel processing.
Comprehensive instructions and videos provided. Engineers can be sent to the site for personnel training.
We are a professional supplier with over 20 years of experience in steel structure warehouses, workshops, hangars, and prefab gymnasiums. We provide one-stop services including design, fabrication, and installation guidance.
With modern factories and multiple production lines, we have completed thousands of projects globally, totaling millions of square meters. Our commitment lies in heavy steel design, quality control, and efficient after-sales support.