QGN ParticipaÃ§Ãµes SA engages in the production and sale of inorganic chemicals. It operates through the Consumption and Chemistry segments. The Consumption segment includes personal care and cosmetic products under the brand names Depiroll and Femfresh. The Chemistry segment involves the production and sale of sodium bicarbonate and barite products, which are used in the food, hemodialysis, pharmaceutical, and animal nutrition industries. The Company was founded on August 12, 1971 and is headquartered in Feira de Santana, Brazil.