160 domestic companies which half of them are local participated in the exhibition.
The exhibition was held on the eve of the 37th anniversary of establishment of National Iranian Drilling Company.
Managing Director of NIDC Heydar Bahmani and Head of Majlis(parliament) Energy Committee Fereidoun Hasanvand as well as a number of Iranian lawmakers attended the ceremony.
Half of the companies attended the exhibition are local.
Several drilling equipment made in Iran are going to be unveiled and introduced to the viewers.