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1983年10月7～9日中国有色金属工业总公司科技部在北京召开了“孟恩套力盖银铅矿选矿新工艺”技术鉴定会。参加会议的有兴安盟冶金厅和有关矿山、科研、设计等单位共22名代表。此项选矿新工艺的研究工作是由北京矿冶研究总院与孟恩套力盖银铅矿共同完成的。到会的代表听取了北京矿冶研究总院和孟恩套力盖银铅矿关于
October 1983 7 ~ 9 Ministry of Science and Technology China Nonferrous Metals Industry Corporation held in Beijing, “Mencun cover force silver ore beneficiation process” technical appraisal. A total of 22 delegates from Xing’an League Metallurgical Office and related mines, scientific research and design units attended the meeting. The research of this new beneficiation process was jointly completed by Beijing Mining and Metallurgy Research Institute and Mengnun Hailigai Silver Lead Mine. The delegates to the meeting heard about the Beijing Mining and Metallurgy Research Institute and Mengnun Kaili Aglucan