the basis for calculating the land exchange rate for determination karmoz, the rate of dollar bills, currency and gold exchange center . iran energy exchange forums today host. nitrogen and oxygen are elements , 6 thousand tons of liquefied gas are valued in the international hall. on the last trading day of last week , the iranian energy exchange witnessed the sale of various products worth more than 1336 billion tomans. more than 4,442,000 tons of products were traded in the commodity exchange on wednesday , 152,400 tons of steel sections were sold in the mineral industrial products hall, 40,300 tons of non-polymeric chemicals and granular sulfur were traded in the petrochemical and petroleum products hall. the hall the export at the time of the transaction was 883 tons of non-moisture insulation. 73,465 tons of goods were traded in the open auction hall. 3175 tons of cement were sold in the cement hall. 560 tons of goods were traded in the secondary market. end of capital market news, god guard. this bird that rises from the ground will mark the history of iran-us relations in a d