Reuters reported that the petrochemical complex at the Kashima refinery, 80km east of Tokyo, consisted of a 60,000 barrels per day of condensate splitter, a 420,000 tonnes per year paraxylene unit, a 20,000 barrels per day catalytic reformer, a 190,000 tonnes per year aromatic solvent extraction unit and a 15,000 barrels per day trans-alkylation unit.

The petrochemical complex was built as a joint venture between Japan Energy Group with an 80% equity stake with the rest of the stake owned by Japanese trading giant Mitsubishi Corporation and Mitsubishi Chemical Corporation, according to Reuters.