Eduardo Eugênio Gouvêa Vieira

QGN Participações 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.

QGN Participações 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.

Cia Petroquímica do Sul SA is a private company based in Triunfo, Brazil, with subsidiaries in British Virgin Islands. The Brazilian company produces basic petrochemicals. The CEO of the company is José Carlos Grubisich Filho.

QGN Participações 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.

QGN Participações 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.