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Hot-dip galvanized steel is molten matrix metal and react to produce iron alloy layer, so that the substrate and coating combination of both. Hot-dip galvanized steel pickling is the first, in order to remove the surface oxide steel after pickling, by ammonium chloride or zinc chloride and zinc chloride aqueous solution or mixed aqueous solution tank for cleaning, and then into hot-dip plating bath. Hot-dip galvanized with coating uniformity, strong adhesion, long life and other advantages.The following are related to China prime quality hot dipped galvanized steel coil sheet zinc coated gi strip wholesale, High quality hot dipped galvanized steel sheet metal roll coil for corrugated roofing sheets galvanised and other products.

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