第四届全国物资再生经济理论研讨会于1991年10月18日至21日在江西省上饶市举行。参加会议的有物资再生系统的理论研究工作者、关心物资再生利用行业的专家、学者约60多人。大会由中国物资流通学会物资再生委员会秘书长程荷珍同志主持。物资部物资再生利用管理办公室主任陈荣庠等同志莅会指导。 The Fourth National Symposium on Recycled Economy of Materials was held in Shangrao City, Jiangxi Province from October 18 to January 21, 1991. Participants in the conference are the theoretical research workers who have the material regeneration system and about 60 experts and scholars concerned about the materials recycling industry. The conference was chaired by Cheng Hezhen, Secretary General of the Material Recycling Committee of China Material Circulation Association. Materials Department Materials Recycling Management Office Director Chen Rongli and other comrades to guide.