The 14th International Exhibition of Bitumen, Asphalt, Cement, Concrete, Insulations, Related Equipment & Machinery - December 2023 The 14th International Exhibition of Bitumen, Asphalt, Cement, Concrete, Insulations, Related Equipment & Machinery – BAIEX 2023 and also the International Exhibition of Cement, Concrete, Construction Technologies, related Equipment and Machinery - CEMENTEX 2023 will be held in the same time in The Tehran International Permanent Fairground in a space of over 10,000 square meters with the cooperation of the Iranian Government and the private sector.