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  • If the coating roughness is not caused by the above reasons, it may be caused by impurities in the plating solution. Can take a small amount of electroplating solution, filtration test, and then take a small amount of electroplating solution, with zinc powder treatment after the test, check the problem is solid particles or copper, lead and other foreign metal impurities caused by. One by one, it’s not hard to find the cause of the problem. Galvanized iron wire coating blister, poor adhesion.

    drywall screw black

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    drywall screw black drywall screw black

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  • Electric galvanized wire shiny white, galvanized wire to exist in a dry and ventilated environment, can not exist in a humid environment. Galvanized wire can not be put together with acid and alkaline substances to prevent chemical reactions and corrosion of galvanized wire. Galvanized wire must also be placed flat to prevent tortuous deformation.

    drywall screw black

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    drywall screw black drywall screw black

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  • drywall screw black

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    drywall screw black drywall screw black

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  • (1) Easy to use, only the mesh surface tile wall, building cement can be used;

    drywall screw black

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    drywall screw black drywall screw black

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  • cat

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    drywall screw black drywall screw black

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  • drywall screw black

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    drywall screw black drywall screw black

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  • drywall screw black

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    drywall screw black drywall screw black

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