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Hot-rolled channel steel is a long hot-rolled steel with a groove section and an oblique leg inside.
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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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ExampleCompared with brick and concrete structure, steel structure building has obvious advantages in environmental protection, energy saving, high efficiency, ···
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Hot dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
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