[本刊讯]省冶金局铸石推广应用现场经验交流会于去年十二月二十七日至今年元月二日在云锡公司大屯选矿厂召开,参加会议的有局属各企业及所属二十个选矿厂,以及昆明市、个旧市、省煤炭、化工部门的有关厂矿共三十六个单位,九十多位代表。会议以阶级斗争为纲,坚持党的基本路线,学习了毛主席的一系列重要指示和元旦社论;传达了冶金 [Our News] Provincial Metallurgical Bureau cast stone promotion site experience exchange was held December 27 last year to January 2 this year at the Tin Company Datun dressing plant was held to attend the meeting of all enterprises and The 20 beneficiation plants, as well as Kunming, Gejiu City, the provincial coal, chemical sector of the factories and mines a total of 36 units, more than 90 representatives. The conference took the class struggle as the key link, upheld the party’s basic line, learned a series of important instructions from Chairman Mao and the editorial of New Year’s Day, conveyed the message of the metallurgy