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  • Post time: 24-05-22

    hollow wall screws

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    hollow wall screws hollow wall screws

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  • 1. The waterproof layer at the bottom of the cage should be checked regularly to prevent leakage at the bottom and replaced in time to avoid dropping liquid objects such as bird droppings, urine and water, resulting in corrosion of the cage edge.

    hollow wall screws

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    hollow wall screws hollow wall screws

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  • galvanized

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    hollow wall screws hollow wall screws

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  • This method is generally the use of hot rolled laminated plate as raw material, the annealed steel plate is first sent to the pickling workshop, with sulfuric acid or hydrochloric acid to remove the surface of the steel sheet oxygen hot galvanizing method. After pickling, the steel plate immediately enters the tank to soak and wait for galvanized, which can prevent the reoxidation of the steel plate. After pickling, water cleaning, squeeze dry, drying, into the zinc pot, the temperature has been maintained at 445-465℃.

    hollow wall screws

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    hollow wall screws hollow wall screws

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  • 6, the use of special formula and special UV absorbent, no fading, no yellowing, no peeling, no cracking, no foaming, no moth, the use cycle can be more than 30 years.

    hollow wall screws

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    hollow wall screws hollow wall screws

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