Kimiai Behrouzi Light Concrete Factory in 2017 with the aim of producing quality products to strengthen buildings against natural disasters such as earthquakes, preserve the environment and save energy, in a land area of 2 hectares and with an annual production capacity of 150,000 meters The cube has been put into operation in Mahmoud Abad industrial town of Qom. In line with the development of new construction materials in the country, this complex, with the benefit of internal specialists and completely up-to-date and fully automatic equipment, produces autoclaved lightweight concrete blocks (AAC) with high quality and can be replaced with other materials (bricks, clay, lika and ..) is marketed under the Kibex brand. In line with the development of new construction materials in the country, this complex, with the benefit of internal specialists and completely up-to-date and fully automatic equipment, produces autoclaved lightweight concrete blocks (AAC) with high quality and can be replaced with other materials (bricks, clay, lika and ..) is marketed under the Kibex brand.