of tailings, which, in addition to the counter with 52% in mehdiabad, bahadran, is one of the largede mineral deposits. and sulfur is four percent capacity the surface of the world has also been opened, and now they have reached the bottom of the mineral substance at a depth of 180-90 meters. so far, 656 million tomans have been put into the mine, and we have undeniably two oxides and sulfur, a mineral that has been discovered for more than 70 years. and now by handing it over to the private and supervisory sector of the metro, they estimated that it would actually be built with 110 billion euros. a capable and motivated private sector with 300 million euros executed it with such greatness and beauty based on statistics: the definite zahra of iran's lead and zinc mines is about 210 million tons of stone it is a mine. by extracting the lead and zinc mine in mahdi abad, we obtain the first lead and zinc in the country, with 184 million tons of reserves that will be mined soon. along with the mining , factories for the processing of lead concentrate are being built to produce the mine