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In order to consider the electrical conductivity, corrosion resistance and high temperature yellowing resistance, the best film thickness was selected and the a···
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Aluminized zinc plate has been proved to have the following characteristics: extraordinary weather resistance and use for more than 20 years without maintenance···
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Galvanized steel strip is the use of zinc added to the surface of the steel strip, so that the steel strip under a layer of protective clothing, and zinc this l···
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Welding H-shaped steel, because the use of welding process to produce cross-section H-shaped name, divided into submerged arc welding H-shaped steel, high-frequ···
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It should be said that there is no difference in area zinc per unit area.
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