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Galvanized pipe is a metal material widely used in various industries, and its core feature is that the surface is specially treated and covered with a layer of···
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Galvanized square pipe from the production process is divided into hot galvanized square pipe and cold galvanized square pipe.
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Shoddy galvanized pipe is easy to scratch, the reason is that shoddy galvanized pipe manufacturers simple equipment, easy to produce burrs, scratch the steel su···
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