, more than 74% of the weight of gold bars imported through imam khomeini airport customs, 16% from bashmagh customs and 7% from tabriz customs. the head of customs added that the rest of the import of gold bullion is from mashhad customs, isfahan airport, and airport respectively shiraz and isfahan customs have been completed. in december 1401, the government board made a facility for the import of gold ingots to be established, and after that, the import of gold ingots into the country began. the head of the iran stone association says that our country has the annual production capacity of 30 million tons of building stone, but half of this capacity remains empty. according to mr. shakuri , using all the capacity of this industry can bring 5 billion dollars to the country . from the heart of the mountains when it comes out, its design is eye-catching. decorative or building stones of which 20% of the reserves in the world are in iran. we in terms of the diversity we have in stones, we are really the first rank in the world. in zakhairim, and anyway, from qulu hoosh, for example, 16-17 bill