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  • To stop normalizing or soxhlet processing of wire rod, spheroidization annealing is used instead of large specification. In the middle, especially before the waste drawing process, the thermal disposal of soxhlet is widely used. Prevent decarbonization during thermal disposal. After hot disposal, sulfuric acid or hydrochloric acid pickling is used to remove the iron sheet. Coating can be used to dip lime, phosphating, borax treatment or copper plating.

    40d nails

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    40d nails 40d nails

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  • Second: positive and negative twisting rope cost-effective

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    40d nails 40d nails

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  • 40d nails

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    40d nails 40d nails

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