Thai Rayon Public Company Limited engages in the manufacture and sale of viscose rayon staple fiber and anhydrous sodium sulphate products in Thailand. The company offers viscose rayon staple fiber that is used in apparel, home textiles, dress material, knitwear, wipes, personal hygiene, and medical applications under the Birla Cellulose brand name; and anhydrous sodium sulphate for use in detergent, pulp, glass, leather, and textile industries, as well as manufactures paper grade pulp. It also exports its products. The company was incorporated in 1974 and is headquartered in Bangkok, Thailand. Thai Rayon Public Company Limited operates as a subsidiary of Surya Kiran Investments Pte. Ltd.