steel pipe

steel pipe

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Hot galvanized strip welded pipe

Steel materials, the most widely used in industry, will corrode to varying degrees when used in the atmosphere, sea water, soil, building materials and other environments. According to statistics, the annual loss of steel materials due to corrosion in the world accounts for about 1/3 of its total output. In order to ensure the normal use of steel products and prolong their service life, the anti-corrosion protection technology of steel has been widely valued

隐藏域元素占位

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