1975年7月21日至27日,河北省冶金局在承钢大庙铁矿召开了全省冶金矿山今年上半年学大庆赶开滦经验交流评比会。出席会议的共有30个单位70名代表。 会议首先重新学习了中共中央有关文件,畅谈了当前国内外大好形势。在此基础上介绍交流了先 From July 21 to July 27, 1975, the Metallurgical Bureau of Hebei Province convened the Metallurgical Mines in Chengdang Daomiao Iron Mine to learn the experience exchange and appraisal meeting held in Daqing in the first half of this year. A total of 70 representatives of 30 units attended the meeting. The meeting first re-learned the relevant documents of the CPC Central Committee, talked about the current excellent situation at home and abroad. On the basis of introducing exchange first