HD Hyundai Oilbank

HD Hyundai Oilbank is a South Korean refining and energy company within HD Hyundai. Its operations include petroleum refining, petrochemicals, and related energy businesses, centered on its Daesan complex in South Chungcheong Province. The company has increasingly integrated refining with petrochemical production as the sector adapts to changing fuel demand and competitive pressures. HD Hyundai Oilbank owns 50% of H&L Advanced alongside LOTTE Chemical following the 2026 restructuring of the companies' petrochemical operations.