１９９９年１２月１日，鞍钢热轧带钢厂１７８０热轧生产线开始进入三班试生产阶段运行。１７８０机组自１０月１４日进行第一次热过钢调试后，又经一个半月的不断精心调试，目前该生产线已处于平稳试生产状态。鞍钢公司决定，热轧带钢厂从１２月１日起组织１７８０机组三班试 December 1, 1999, Anshan Iron and Steel 1780 hot-rolled strip mill hot-rolled production line began to enter the trial run three stages of production. 1780 unit since October 14 for the first time after the hot steel debugging, and after a month and a half of the ongoing careful debugging, the current production line has been in a state of steady trial production. Anshan Iron and Steel Company decided that the hot strip mill from December 1 organized 1780 units three shifts