九月二十五日至二十七日由冶金部科技办主持,在北京召开了白云鄂博主、东矿选矿半工业试验鉴定会,参加单位有科研、设计、高等院校、生产及国家科委有关领导单位的各方百代表,共十九个单位四十人。而其中绝大部份是从事包头矿工作多年的专家及来自生产现场的工程技术人员。包头冶金研究所、北京矿冶研究总院、中国稀土公司三厂共同组成试验组于八○年五月 From September 25 to 27, hosted by the Ministry of Science and Technology of the Ministry of Metallurgy, a team of experts from the Bayan Obo and the semi-industrial test of the East Mine beneficiation was held in Beijing. The participating units are scientific research, design, institutions of higher learning, production and national science Commissioned by the leaders of all parties table EMI, a total of 19 units of 40 people. The vast majority of them are engaged in Baotou Mine for many years of experts and engineers from the production site engineering and technical personnel. Baotou Institute of Metallurgy, Beijing Mining and Metallurgy Research Institute, China Rare Earth Corporation III plant jointly formed a test group in May 1980