khalekian in the studio , the secretary of this exhibition mr. khalekian , good morning. you are very welcome. hello , good morning to you and dear viewers. hello, how many companies are present in this exhibition, how many of them are scientists? from the exhibition of 550 iranian companies and approximately 100 foreign companies or representatives of foreign companies , it is a reliable and noteworthy point that a significant number of these companies are approximately 150 scientific companies that are active in this field. there is a word at the end of the name of this exhibition, and it is made in iran . considering that you mentioned that a number of foreign companies are also present, you could explain what exactly happens in this exhibition. foreigners are also there to see us i think we have a very good situation in the field of medical equipment compared to other industrial fields . most of the country's needs are currently being met by domestic companies, but this issue has not yet reached 100, and naturally we need imports in some areas. we are or cooperation w