CFAS

Building construction; repair of existing water and wastewater treatment plants; installation of existing water and wastewater treatment plants

Treatment of materials, namely, metals, glass and plastic materials; water treatment, namely, waste water purification

Scientific and technological services and research and design in the field of treatment and purification of water and wastewater; industrial analysis and research in the field of treatment and purification of water and wastewater; design and development of computers and computer programs; technical expertise, namely, technical consultation in the field of engineering; development, research and design of the process of biological purification of water