上海11选5

Special steel

Special steel products mainly include gear steel, bearing steel, alloy structural steel, high-quality carbon steel, non-quenched and tempered steel, tube billet steel, spring steel, anchor chain steel, tooling steel and other varieties. They are oriented to the equipment manufacturing industry of automobile, engineering machinery, railway mine, power station boiler and petrochemical, ocean engineering, wind power engineering, bearing and so on

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