Thai Rayon Public Company Limited engages in the manufacture and sale of viscose rayon staple fiber and anhydrous sodium sulphate products in Thailand and internationally. The company offers fibers that are used in apparel, home textiles, dress material, knitwear, wipes, personal hygiene, and medical applications under the Birla Cellulose brand name; textile fashion products under the Birla Modal brand; and anhydrous sodium sulphate for use in detergent, pulp, glass, leather, and textile industries. It also exports its products. The company was incorporated in 1974 and is headquartered in Bangkok, Thailand.