Hankook Shell Oil Co., Ltd. manufactures, assembles, distributes, and markets lubricants, grease, and other petroleum and related products. It also imports and exports lubricants, base oils, additives, and crude oils, and provides technical services related to its products. The company was formerly known as Keuk Dong Shell Oil Refinery Co., Ltd. Founded in 1960, it is headquartered in Busan, South Korea, and operates as a subsidiary of Shell plc.