大庆乙烯厂是国家新建的重点大工程,建成后年产乙烯三十万吨。该工程十套主要装置是从日本、西德、英国的七个公司引进;配套装置和九十二个单项工程,由国内九个设计院设计,十多个单位承担施工。他们从1978年开始筹建,到1980年秋已有八十多项工程施工,并有四十六项工程已竣工。当时贯彻调整的方针,整 Daqing Ethylene Plant is a national key new construction project, with an annual output of 300,000 tons of ethylene. The ten major installations of the project were imported from seven companies in Japan, West Germany and the United Kingdom. Supporting facilities and 92 individual projects were designed by nine design institutes in China and more than 10 units were under construction. They started construction in 1978 and by the autumn of 1980 they had over 80 construction projects and 46 projects were completed. At that time, the principle of adjustment was rectified