Overseas Network May 20th According to Yonhap News Agency, on the evening of the 19th local time, a large explosion occurred at the S-Oil (Ssangyong) refinery in Ulsan, southeastern South Korea, killing one person and injuring nine others. Korea S-oil was established in 1976. It has a crude oil refining unit in the Aung San Industrial Complex in Ulsan, with a daily output of 669,000 barrels. It also produces lubricating oil base oil (44,700 barrels/day) and other petrochemical products. S-oil also has the world's largest PX production equipment, capacity is 185 10,000 tons/year. The world's largest oil company Saudi Aramco (Saudi Aramco) Since 2015 Became the largest shareholder of S-oil since 20th century 10 years of shareholding). S-oil in Ulsan PO The device adopts CHP process, and the production capacity is 30 Ten thousand tons/year.