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自1957年首台直接还原设备开工以来,世界范围用HYL设备生产了5670万吨直接还原铁。其中1690年产量总数达525.3万吨,比1988年增加了18.55％。
Since the first direct reduction plant was started in 1957, 56.7 million tonnes of DRI have been produced worldwide using HYL equipment. Among them, the total output in 1690 amounted to 5.253 million tons, an increase of 18.55% over 1988.