Shahr-e-Rey Cement Factory Feb 17, 2021 Shahre Rey Cement Factory, which is considered as one of the oldest factories in Iran and the first cement production line in the country, in 1931, initial geological studies led to a local selection located 7 km south of Tehran at that time, next to Bibi Shahrbanoo Mountain. The construction of this unit with a fund of 8 million Rials was completed on December 20th, 1933 and its operation began immediately. Shayan Mehrabi https://www.tehranpicture.ir/u/ip7