Kausar Industries and Mines Development Company (KOMIDCO.) started its activity in the field of extracting and selling decorative stones, first in 1366 in Azna porcelain stone mines (Drijan) and Khoram Abad gem marble, and then in 1369 in Qorveh mining complex. . This company is in line with the macro policies of the country in the mining sector and in order to exploit mineral resources and reserves which are non-renewable national capital. He has placed the reformation of the traditional extraction method at the top of his work plan. Currently, Kosar Industries and Mines Development Company (KOMIDCO.) is one of the largest producers of decorative stones in the country, having the license to operate 15 decorative stone mines. that the amount of extraction and loading related to the subsidiary mines of this company amounts to half a million tons of decorative stone per year. Also, a number of stones from the subsidiary mines of this company are exported directly or indirectly to European and Asian countries in the form of coupes and slabs. Also, this company has taken action in the direction of production and extraction from metal mines, which currently has dozens of exploratory zones in the field of polymetals, it is hoped to take effective steps in this field and finally in line with the development plans of the country to prevent From selling raw materials and creating added value and improving the construction infrastructure and rail and road transportation in the country and creating sustainable employment, the largest production line of modern construction materials, prefabricated concrete parts and urban furniture in the country using the most modern machines. Roz Dunya has set up a production hall with an area of 6000 square meters in Nazar Abad industrial town, the main products of this company are all kinds of blocks, tables, concrete pavements and concrete floor coverings for sidewalks and traffic in sizes, shapes and colors. are different.