The presence of 160 companies at the 26th International Industrial Exhibition The 28th International Industrial Exhibition in Tehran began today for four days with the presence of 160 local companies, including 30 knowledge-based companies and the participation of representatives from five foreign countries.

The presence of 160 companies at the 26th International Industrial Exhibition The 28th International Industrial Exhibition in Tehran began today for four days with the presence of 160 local companies, including 30 knowledge-based companies and the participation of representatives from five foreign countries.