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中国冶金技术进出口公司与曼内斯曼·德马克公司及意大利冶金公司签订合同,上述外国公司将为天津市新建电炉炼钢和无缝钢管厂提供设备和技术。这座年产约500000t钢管的钢厂将于1992年底投产。电炉钢生产线将由炉底出钢的150 t电弧炉、炉后真空处理系统和4流圆坯连铸机(铸坯直径210～290mm)组成,产钢量将能
China Metallurgical Technology Import & Export Company signed a contract with Mannesmann Demark and Italy Metallurgical Company, which will provide the equipment and technology for the new electric steelmaking and seamless steel pipe plant in Tianjin. The annual output of about 500,000t steel plant will be put into operation by the end of 1992. Electric furnace steel production line will be the bottom of the steel from the 150 t electric arc furnace, furnace vacuum processing system and 4-flow billet continuous casting machine (slab diameter 210 ~ 290mm), steel production capacity will be able to