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  • At present, blade barbed rope has been widely used in industrial and mining enterprises, garden apartments, border posts, military fields, prisons, detention centers, government buildings and other national security facilities in many countries.

    umbrella head roofing nails

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  • In addition, before the steel wire enters the zinc liquid, covered with a layer of insulation material containing zinc oxide reducing agent, can reduce the heat loss and zinc ash floating. In addition, adding zinc-5% aluminum-mixed rare earth alloy to the zinc solution, when the zinc solution contains 0.002%-0.005% aluminum mass fraction, can obviously increase the brightness of the zinc layer, and prevent the zinc solution surface oxidation caused by excessive zinc ash.

    umbrella head roofing nails

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    umbrella head roofing nails umbrella head roofing nails

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  • umbrella head roofing nails

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    umbrella head roofing nails umbrella head roofing nails

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  • Post time: 10-06-22

    umbrella head roofing nails

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    umbrella head roofing nails umbrella head roofing nails

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