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.
Standard:ISO 9001/2015 Number:10456E36812R3S Issue Date:2023-05-06 Expiry Date:2026-05-05 Scope/Range:Quality control Issued By:CNAB |
Standard:ISO 14001/2015 Number:10456E36812R3S Issue Date:2020-05-06 Expiry Date:2026-05-05 Scope/Range:Environmental management system Issued By:CNAB |
Standard:Procedure qualification record Number:PQR-LL-01 Issue Date:2020-06-30 Expiry Date:2025-06-30 Scope/Range:AS/NZS 1554.1:2014+AZ:2017 Issued By:SGS |
Standard:Welder certificate Number:pWPS-LL-01 Issue Date:2020-06-30 Expiry Date:2030-06-30 Scope/Range:AS/NZS ISO 9606.1 135P FW FM1 S t11.75 PB ml Issued By:SGS |
Contact Person: Ms. Alice Lee
Tel: 0086 13969825647