tangshan fengrun zhongxing trading co.,ltd -

tangshan fengrun zhongxing trading co.,ltd

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angle steel
Specification: all kinds
Detail: 1.Types: equal and unegual sizes. 2.Size: 25mm--200mm 3.Length:6m--12m 4.Material:Q235,Q345/SS330,SS400/S235JR,S355JR/ST37,ST52 5.Quality control: test products' mechanical and chemical properties in every procedure ...


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