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wenzhoushi chengyu steel co.,ltd Quality Info

Quality Control
QC Profile

Quality is life. All material will be inspected during production,all finished products have been checked before leaving the factory.

1.Out diameter and Thickness TolerenceTest

2.Water Pressure Test

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3.Eddy Current Test

4.Chemical Composition Test

Company Profile

wenzhoushi chengyu steel co.,ltd

Contact Person: MrsSusanchen

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