1982年11月初在甘肃稀土公司现场召开有冶金部有色局、甘肃冶金局、全国稀土推广应用办公室、北京有色金属研究总院和甘肃稀土公司等单位参加的氯化稀土生产线试生产总结会上,认为甘肃稀土公司采用硫酸强化焙烧—萃取法新工艺处理包头稀土精矿、年产××××吨氯化稀土生产线最近一次投料试车获得成功, In early November 1982, a rare earth chloride production line trial production meeting in Gansu Rare Earth Company was held at the site of Gansu Rare Earth Company with the participation of Metallurgical Department Nonferrous Metal Bureau, Gansu Metallurgical Bureau, National Rare Earth Promotion and Application Office, Beijing Nonferrous Metal Research Institute and Gansu Rare Earth Company. Gansu Rare Earth companies that the use of sulfuric acid roasting - extraction process of Baotou rare earth concentrate processing, annual output of ×××× tons of rare earth chloride production line commissioning of a successful trial,