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  • 2. Zinc layer uniformity: zinc layer uniformity also has an important impact on corrosion resistance. If the zinc layer is not uniform, there are local defects or insufficient thickness areas, it is easy to form corrosion points, resulting in the destruction of the entire zinc layer.

    coil ring shank roofing nails

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    coil ring shank roofing nails coil ring shank roofing nails

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