ali qayyomi, sed and broadcasting news agency the export of mining and mineral industry products in april this year has increased by 12% in terms of value, according to the announcement of iran's mines and mining industries development and modernization organization, imidro, mining and mineral industry companies in april 4, 688,000 tons of various products harvested about nine hundred and fifty and exported two million dollars abroad, which has increased by 55% in terms of weight and 12% in terms of value compared to the same period last year . seventy floors of investment for domestic and foreign economic activists announced that the secretary of the supreme council of free zones said that the profitability studies of these projects have been carried out and the first permits have been issued until the end of mehr 1401 . this is our slogan that these regions have become an investment paradise. in iran , there are 15 free zones and 35 special economic zones . these zones are considered to be a king in the world for employment and development of countries. to do when the investor came ther