the initial stages of making nano particles of gold and the stages of abbasion's work and the production of all the intermediate products of the product are carried out by ourselves until the last stage, which is the packaging and supply to the market. to the neighboring countries, the importance of this product in two groups one is that the first priority of production in terms of foreign exchange is actually two to three million euros per year , and due to the conditions of the import embargo, it was also associated with a little problem, but we started researching in 2019 and we were able to gain knowledge. and technically, let's localize this product, iranian language researchers have a product, in addition to domestication, maintaining quality and international standards , with a price that is actually much more affordable, and another important thing is that the product has an export opportunity. we can export by hand because the detection is now in more than 90 hospitals of the country's medical center are in use. samia nasser, sada and radio news agency. the 14th science and nano