volgars was the second native, and with their own research , a similar reactor was brought here , the price of which was 125,000 euros . in the exhibition of nuclear achievements, the company also presented products related to the discovery and extraction of uranium mines, which are also used in the field of oil well discovery. a product called airborne geophysics that can detect the ground up to 15 thousand meters deep . on the sidelines of visiting this exhibition, the supreme leader of the revolution met with the children of martyrs rezainejad and ahmadi roshan. supreme leader of the revolution after visiting this the exhibition, with the presence of scientists and experts of the nuclear industry , mentioned this visit as an excellent and evangelistic exhibition . who traveled to the latin american region as part of a high-ranking economic and political delegation , and was officially welcomed by mr. maduro in his first destination, venezuela. also, high-ranking officials of iran and venezuela signed 19 cooperation documents in the presence of the presidents of the two countries. a