Oriental Carbon & Chemicals Limited engages in the manufacture and sale of insoluble sulphur worldwide. It operates in two segments, Chemicals and General Engineering Products. The company offers insoluble sulphur under the Diamond Sulf brand; and pre-dispersed insoluble sulphur under the Diamix brand. It also provides commercial and battery grade sulfuric acid, and oleum for use in the fertilizer, detergent, and battery industries. In addition, the company offers off-highway tire accessories, pneumatics, hydraulics, and valve automation systems. The company was incorporated in 1978 and is based in Noida, India. The ISIN of this stock is INE321D01016.