Qaem Sazan Afra Company with registration number 10048, with more than 20 years of experience in the field of building construction and construction projects, has expanded its activities in the field of aerobic and anaerobic purification systems since 2005.

This company is the first manufacturer of concrete septic tanks without straps in the country and the creator of new methods in industrial and sanitary wastewater treatment processes and sends its products to different parts of the country.