中国选矿科技情报网、中国有色金属总公司选矿情报网、中国有色金属总公司昆明公司和云南锡业公司联合召开的第二届重磁选设备及工艺经验交流会,于1987年12月9日至14日在云南省个旧市召开。出席本次会议有来自全国23个省、市、自治区的科研、设计、高校、厂矿、情报、新闻出版等部门的173个单位代表278名。 China Science and Technology Information Network, China Nonferrous Metals Corporation Mineral Information Network, China Nonferrous Metals Corporation Kunming Company and Yunnan Tin Company jointly held the second heavy magnetic separation equipment and technology experience exchange meeting, in December 9, 1987 To the 14th held in Gejiu City, Yunnan Province. Attending the meeting, there were 278 representatives of 173 units from scientific research, design, universities, factories and mines, intelligence, press and publication departments in 23 provinces, cities and autonomous regions nationwide.