文章简要介绍了日本新日铁开发的新型竖炉式废钢预热系统，即：UL-BA方式预热装置。
This paper briefly describes the new shaft type scrap preheating system called UL BA developed by Japanese Nippon Steel Corporation.
据悉，X120是迄今为止等级最高的管线钢，目前，国际上只有日本新日铁、住友和欧洲一些公司有过生产实绩。
It is reported that X120 is by far the highest level of pipeline steel, at present, the world only the Japanese Nippon steel, Sumitomo and some European companies have production performance.
日本最大的钢铁制造商新日本制铁公司和规模稍小的竞争对手住友金属工业公司宣布将在明年实现合并。
Nippon steel, Japan's biggest steelmaker, and Sumitomo Metals, a smaller rival, said they were planning to merge next year.
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