The Nations Economic Development Group, aware of the importance of the country's industrial sectors in achieving macro-economic goals and achieving a desirable position among emerging industrial countries, has made extensive investments in various industrial sectors, including power plant and petrochemical industries, steel industries, and textile and carpet weaving industries. Also, Iran's mining industry is one of the sectors that, despite its high production capacity, has a negligible share in the country's gross domestic product; therefore, the Nations Economic Development Group, by identifying the capacities of the mining industry and utilizing experienced companies with modern technology in the field of exploration, extraction, and exploitation of mineral reserves, has invested and operated in this field, and in total, it has more than 30 square kilometers of mining areas of various types of sand and stone mines throughout the country...