Tehran Construction Industry Exhibition was held in 1401 as one of the most important and prestigious specialized events in the field of construction and architecture. This exhibition was held at the permanent place of international exhibitions in Tehran and created an opportunity for the gathering of activists and experts of this industry. The 1401 exhibition was a good opportunity to exchange information and experiences among industry players and helped to review the latest trends and innovations in this field. This event greatly helped to increase commercial cooperation and improve the quality of construction and construction industries in Iran, and provided an opportunity to develop and identify the latest technologies in the world.