Steel Building Suppliers | Custom Prefabricated Metal Building Solutions
Leading Chinese Steel Manufacturer with 20+ Years Expertise | Direct Factory Pricing
As professional steel building manufacturers, Qingdao Zhuzhiyuan Steel Structure Co., Ltd. delivers turnkey solutions for industrial, commercial, and infrastructure projects. With 20+ years in steel fabrication and a 40,377㎡ production facility, we combine advanced machinery and skilled labor to provide cost-effective metal building suppliers services globally.
Our prefabricated metal building manufacturers serve diverse industries:
Spans up to 150m, supporting 50 tons/m² heavy machinery loads
Curved roofs and glass-integrated designs by metal building suppliers
Corrosion-resistant cold storage units for extreme environments
Seismic-proof stadiums and exhibition halls built to international codes
Tornado-safe shelters with 200km/h wind resistance
| Stage | Process Step | Technical Features |
|---|---|---|
| Design & Engineering | Tekla 3D modeling & BIM coordination | Automated clash detection for 3D models |
| Material Cutting | CNC plasma/LASER cutting (0.05mm tolerance) | Automated clash detection for 3D models Dual-wire submerged arc welding for thick plates |
| Welding & Assembly | GMAW/MIG welding by AWS-certified teams | 8-axis tube cutter for ±0.1mm joint precision |
| Quality Testing | MT/UT inspections by Level II NDT teams | 100% weld seam scanning for defect-free output |
| Galvanization & Shipping | Hot-dip galvanized (120μm coating) | Direct port access to Qingdao/Tianjin ports |
Our multi-tiered quality control system ensures compliance with international standards:
Steel Plate Inspection:
Third-party GB/T 709 standard thickness verification
Magnetic particle testing (MT) for surface defects
Coil Storage:
Humidity-controlled warehouse (≤40% RH) to prevent rust
First-in-first-out (FIFO) inventory system
Welding QA:
Real-time wire feeder monitoring for GMAW consistency
200+ QC inspectors conducting 100% visual checks
Precision Machining:
Laser tracking system for 8-axis tube cutter alignment
Daily calibration of CNC plasma cutting machines
Structural Testing:
Load simulation up to 1.5x design capacity (ASTM E709)
Seismic performance validation via finite element analysis
Coating Inspection:
Coating thickness gauge for galvanization (≥120μm)
Salt spray test (ISO 9227) for 720-hour corrosion resistance
QR Code System:
Each module embedded with production batch ID
Real-time tracking via SAP ERP system
Export Compliance:
AEO-certified customs documentation
Third-party phytosanitary certificates for overseas shipments
Trusted by 500+ Projects: From African logistics hubs to Arctic research stations
Cost Efficiency: 20% lower total costs vs traditional builders
Global Reach: Direct shipping from Qingdao Port (100km) to 35+ countries
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