about 200 the exporters participating in the 13th exhibition of building stone, mining machinery and related equipment in tehran say that the export is not commensurate with the production capacity of the stone industry and it can increase to 200 million dollars. the value of iran's stone exports last year is 248 million dollars. we had almost 50% of five million dollars, 25% of postage and export of semi-processed stones. last year, i think we had 100,000 tomans of raw stone exports. iran's position in the world can grow many times. a representative of the ministry of economy holds a meeting a week with customs interception . he is a representative of the banking system . and you should know who you are according to the factory, which is now producing 500 meters per day, with modern machines, it can double the minimum . if this happens in a series related to the transfers of the first team , we should fill the country's currency directly, or if those bank events happen, i think many things will be resolved. interact with knowledge-based companies and technical universities with traditional machine manufacturer