Semnan Sari gypsum factory was established in 1984 in the mining area of Momen-Abad village located in Semnan, Iran with the efforts of local investors and professional labor force in an area of 25, 000 m2 with the aim of producing high quality constructional plasters. Semnan Sari gypsum mine, one of the richest mines in the world, is located in the desert city of Semnan, which has very pure gypsum with a whiteness percentage of more than 97%. Now, we are providing services 24 hours a day with more than 40 years of experience in gypsum extraction and production of various types of constructional plasters, including composite gypsum, betogips, super micronized (mesh 200) and surface and underlay plaster with an annual production capacity of more than 360, 000 tons using the latest technology to create a pleasant shopping experience for customers. The factory has six loading lines; Products with reputable brands of “Semnan Sari” and “Ahovan” are offered in various packages and weights with the most appropriate prices in domestic and foreign markets. Our vision is to be one of the best and most trusted in the constructional materials industry in the country and the Middle East. Also, developing the professional characteristics and competencies of the employees and maintaining our core values such as customer-orientation, responsibility and innovation is one of our important missions in the future.