Japan Oil closed one set of Pure Benzene Device in Mizushima oil refinery. Its production capacity is 100,000 tons / year. Japan Taiyo Oil said that they would ensure the normal production line of benzene and mixed xylene of Kikuma. The production line in the region of Ehime will start at the rate of 80% and will continue to December. The factory ‘s annual output of Benzene is 400,000 tons. It is reported that Korea YNCC has closed the No.3 arene unit in Lishui whose capacity is 120,000 tons / year, and its No. 1 and No. 2 units operate around 60%. Nippon Oil plans to close four from six sets of benzene device in mid-May 2009 to do the maintenance. One of them will experience a 45-day period.