Tokai Carbon Posts 9% Sales Drop in 2015 on February 18, 2016 in Industry, Materials Japan’s largest carbon black manufacturer Tokai Carbon Co. Ltd. (TYO: 5301) reported annual sales of 104.9 billion yen ($921.8 million)…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading