S-OIL, established in 1976 has grown into one of the most competitive refineries in the Asia-Pacific region by establishing profit management strategies and cultivating a dynamic spirit. and progress in management. We operate a 669,000 bpd (BPD) refinery and other facilities that can produce petrochemicals and lubricating base oils at the Onsan Refinery in Ulsan. We are strengthening our position as a leader in protecting our customers and the environment by manufacturing and supplying best quality oil products based on Bunker-C Cracking Center (BCC) and Xylene Center, the world's highest output PX factory with a single facility.