FILE PHOTO: The logo of Lotte Chemical is seen at its office building in Seoul, South Korea, October 11, 2017. Picture taken on October 11, 2017. REUTERS/Kim Hong-Ji/File photo
FILE PHOTO: The logo of Lotte Chemical is seen at its office building in Seoul, South Korea, October 11, 2017. Picture taken on October 11, 2017. REUTERS/Kim Hong-Ji/File photo