1988

▲April 5, 1988, according to the Municipal Economic Commission, the east longitude technological transformation word No. 15 "of Dongying petroleum chemical plant technological transformation project preliminary design replied,", agreed to chemical plant transformation, the completion of 1000 tons / year calcium base grease production device, 3 million tons / year ground crude oil purification device, 5 million tons / year often decompression device, 3 million tons / year of oxidized asphalt unit.

▲In July 1, 1988, groundbreaking, fully operational.