Current label: Tangshan manufacturer rectangular tube direct sales
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What is seamless rectangular tube? Seamless rectangular tube is a kind of long steel with hollow section and no seam around. The steel pipe has a hollow section, and is widely used as a pipeline to escort fluids, such as oil, natural gas, gas, water and some solid materials. Compared with solid steels such as round steel, steel pipes are lighter when their bending and torsional strength are the same, and they are a kind of steel with economic section,