exhibition will be held next year in tehran with the aim of changing the business direction of ardi behesht country. more than 4,000 businessmen are expected in the sixth edition of tawamandi exhibition. iran's exports should be present. the deputy minister of mines and material processing of the ministry of samt announced a 100% increase in receiving government salaries from mines. reza mohtashmipour added that this year too, it is estimated that more than 35 thousand billion tomans will be earned from mines be received government mining rights are taxes or fees that mines pay to the government. from approximately 7 thousand billion tomans in 2019 , today we are estimated to be around 40 thousand billion tomans. this jump is mainly due to the first few actions to update the information, sometimes the information is incomplete. or, for example, the price of minerals was calculated unrealistically or in a constant manner for many years, well, this has been updated, the location of those mechanisms has been changed to keep the information up-to-date , on the other hand, the information of the