莱芜钢铁总厂利用亚洲开发银行贷款进行的改扩建一期工程总投资3.5亿元,主要建设项目有扩建原料场、新建一台105m~2烧结机和一座750m~3高炉。工程由马鞍山钢铁设计研究院设计,主要施工单位二十冶。1991年7月1日开工,历时23个月基本建成 With a total investment of 350 million yuan for the first phase of reconstruction and expansion project lent by the Asian Development Bank, Laiwu Iron and Steel Plant has the main construction projects of expanding the raw material yard, building a new 105m ~ 2 sintering machine and a 750m ~ 3 blast furnace. The project was designed by Maanshan Iron & Steel Design and Research Institute and the main construction unit is 20years. Started in July 1, 1991, lasted 23 months basically completed