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日本日伸钢公司于1986年投产了第一套工业性真空连续镀锌机组,用于厚0.3～1.2mm,宽760～1250mm 冷轧带钢镀锌.带钢卷重到25t,镀锌时带钢在机组中连续运行速度为20～200m/min.
Japan’s Hirshsang Steel Co., Ltd. put into operation the first set of industrial vacuum continuous galvanizing units in 1986 for the galvanized steel strip with the thickness of 0.3-1.2mm and the width of 760-1250mm. Strip in the unit continuous operation speed of 20 ~ 200m / min.