We have strict Quality Control Department to control the quality including inspection for raw steel material & welding quality & painting. Third-party inspection is welcomed.
We demand the steel miles issuing mill certificate. If you need, we could also ask for the Third-party laboratory to test report for raw steel material.
Our inspectors will check the quality of steel components for each process, such as does it have oxidized scale，slag on the steel plate after flame cutting, does it have crack, surface blowhole, undercut for welding line, welding height, etc, we could take Ultrasonic test(UT) and magnetic particle test(MT) as your request.
It mainly includes three factor for paint quality: Derusting grade, Thickness of dry film, Painting adhesion.
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