The 15th International Auto Industry Exhibition opened here on Tuesday and will continue for five days. Some 35 auto-making factories from Turkey and China and representatives from France, Germany, Thailand, Taiwan and Belarus are attending various sections of the event. A total of ten countries and 300 units from nine Iranian provinces of East Azarbaijan and West Azarbaijan, Tehran, Khorasan Razavi, Isfahan, Alborz, Zanjan, Yazd and Kurdestan are participating in the ongoing event. The Eighth International Transportation Industry Exhibition and the Eighth International Motorcycle and Bicycle Exhibition are also being held concurrent with the 15th International Auto Industry Exhibition.