Hyundai Oilbank (Korean: 현대오일뱅크) is a petroleum and refinery company with its headquarters in Seosan, South Korea. It was established in 1964 as Keukdong Refinery Co., Ltd. (Korean: 극동정유) and later taken over by the Hyundai Group (1993). It is currently a part of the Hyundai Heavy Industries Group. Its primary business is petroleum products, similar to the SK Energy, GS Caltex, S-Oil.
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