1980年3月,中国金属学会,冶金部科技办公室在北京联合召开了炼铁科技规划座谈会。与会的有首钢、本钢、科学院化冶所、北京钢铁学院,北京钢铁研究总院、北京钢铁设计院、冶金部规划院、金属学会、部科技办等9个单位15名代表。座谈会上对炼铁生产技术方针展开了讨论,会上有同志提出“精料布料,强化节能,低硅低硫, March 1980, China Metallurgical Society, Ministry of Metallurgical Science and Technology Office in Beijing jointly held a seminar on iron technology planning. The participants included Shougang, Bengang, Academia Sinica, Beijing Institute of Iron and Steel, Beijing Iron and Steel Research Institute, Beijing Iron and Steel Institute of Design, Metallurgical Planning Institute, Institute of Metals, Science and Technology Office and other nine units 15 representatives. At the symposium, a discussion was held on the technical guidelines for iron-making production. Some comrades put forward the proposal of "concentrating fine fabrics, intensifying energy conservation, low silicon and low sulfur,