Such method is used in the revamping of EG plant in No. 1 Works of Yanshan Petrochemical Company, obtaining good results.
这种方法用于燕化集团公司化工一厂乙二醇装置扩能改造中，获得了成功。
China petrochemical construction company jointly with Beijing Yanshan petrochemical company, construction and installation company tackled key problems.
中国石化工程建设公司和北京燕山石化公司建筑安装公司联合攻关研制。
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