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Site area: 2.2 million m2An oil refining facility that will be deployed on a vast site with a circumference of 12 km. Negishi Refinery "It must be a safe and environmentally friendly refinery." "To supply a large number of high-quality products in a stable and large quantity" "Streamlining oil refining with consolidation of facility management and state-of-the-art equipment." Designed according to these three basic concepts, it is one of the largest model refineries in Japan. While demonstrating its production capacity to meet the energy needs of the Tokyo metropolitan area, we are contributing to society as a refinery that creates a rich future environment in which "people, oil, and nature" are in harmony.