攀钢炼铁厂自七○年投产至八○年四月正,已为国家生产了960多万吨生铁。自七七年以来,生铁产量节节上升,主要技术经济指标逐年提高,特别是一九七九年高炉利用系数、焦比均突破了设计 Panzhihua Iron and Steelworks production from 70 years to April 1980 positive, has produced more than 9.6 million tons of pig iron for the country. Pig iron production has steadily risen steadily since 1977 and the major technical and economic indicators have been increasing year by year. In particular, the blast furnace utilization factor and the coke ratio have all exceeded the design in 1979