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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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Hot dip galvanized (steel pipe) production technology.
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Electroplating is the use of electrolytic principle in some metal surface plating on a thin layer of other metal or alloy process, is the use of electrolytic ef···
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ExampleCompared with brick and concrete structure, steel structure building has obvious advantages in environmental protection, energy saving, high efficiency, ···
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Steel column is industrial product, is made of steel column. Used for large and medium-sized industrial plants, large span public buildings, high-rise buildings···
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