• Thickness tolerance re-check
• Yield point and tensile strength testing in-house
• Third party inspection are welcome
• Supply traceable mill certificate.

• 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.

• 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.

For special shaped steel structures components, we apply pre-assembly test in workshop before package and delivery.