Raw material quality control:
Thickness tolerance re-check
Yield point and tensile strength testing in-house
Third party inspection are welcome
Supply traceable mill certificate.
Structural steel fabrication quality control:
100% testing dimension tolerance <3mm
20% sample welding line ultrasonic testing, no fault, full penetration
20% magnetic powder testing, no bubble, no defect, Smooth and Full
Supply third-party inspection assistance.
Anti-corrosion system quality control:
Shot blasting to reach grade Sa. 2.5, surface metal luster, no rust, no oil dirt, no welding spatter, Roughness >75um
Apply primer paint within 4 hours after shot blasting, Holiday-free coatings, smooth, No dust, Dry Film Thickness (DFT) >75μm.
Pre-assembly testing the connection details:
For special shaped steel structures components, we apply pre-assembly test in workshop before package and delivery.

Certifications
|
|
|
|
|
|
|
|
Certifications
|
Customizable Q355B Material Steel Structure Warehouse with 5~30Tons Crane Capacity and Max 280KM/h Wind Load |
|
High Seismic Resistance and Fast Construction with Durable Steel Structure Warehouse for Your Storage Needs |
|
Rigid Frame Design Steel Structure Warehouse for Industrial with Environmentally Friendly and Construction Solutions |
|
The Ultimate Solution for Steel Structure Construction Prefabricated Workshop Buildings |
|
The Best Solution for Steel Structure Construction Prefabricated Workshop Buildings |






