Roha Dyechem (Thailand) Ltd. is a subsidiary of the ROHAGROUP ( which has recently been renamed as JJT GROUP), ROHA is one of the world's biggest manufactures of colorants for the Food, Beverages, Pharmaceuticals, Feed and Cosmetic industries under IDACOL, NATRACOL, FUTURALS, ESSENZIA and ADORA bran ... อ่านต่อ