1987年11月2～4日在河南焦作市化工总厂召开了全国第四届锆铪学术讨论会,来自全国各地的17个单位的专家、教授和领导干部共32名代表参加了会议,焦作市化工局和焦作市化工总厂的领导出席了会议。会议期间,代表们参观了焦作市化工总厂的锆化合物生产车间,对该厂在锆化合物生产上所做出的贡献表示赞尝。 November 2-4, 1987 in Henan Jiaozuo Chemical Plant held the fourth zirconium hafnium symposium, from all over the country from 17 units of experts, professors and leading cadres a total of 32 representatives attended the meeting, Jiaozuo Municipal Bureau of Chemical Industry and Jiaozuo Chemical Plant leaders attended the meeting. During the meeting, the delegates visited the zirconium compound production plant of Jiaozuo Chemical Plant, praising the plant’s contribution to the production of zirconium compounds.