在批林批孔运动胜利展开,逐步深入的大好形势下,一机部矿山机械行业经验交流会于5月14日在南宁市召开,历时9天。参加这次会议的共42个成员厂,计97人, In the favorable situation in which the batches of forests and mines were successfully opened and gradually deepened, the experience exchange meeting of the mining machinery industry of the one machine department was held on May 14 in Nanning City and lasted for 9 days. A total of 42 member factories participated in this meeting, including 97 people.