Sami Altınkaya BETONSTAR - NTV Economic Notes Broadcast Bauma 2019 - Chairman of the Board Oğuz Diken | April 19, 2019
Sami Altınkaya Outlet Road - Concrete Istanbul Fair 2017 - Chairman of the Board Oğuz Diken | 12 April 2017
TRMCA Organisation- concrete Istanbul Turkey Ready Mixed Concrete Association Congress 2017 Chairman of the Board of Directors of the Main Sponsor Oguz Diken Betonstar
Sami Altınkaya Exit Road Oğuz Diken Yavuz Işık Mahmut Çelikcan Concrete Ankara Fair 2016 | Chairman of the Board of Directors Oğuz Diken | 3 March 2016
Sami Altınkaya Exit Road - Place of Ready-mixed Concrete and Concrete Pump in the Construction Sector - Chairman of the Board Oğuz Diken | 12 July 2017
Sami Altınkaya Bloomberg -Exit Road - Concrete Istanbul Fair / Chairman of the Board Oğuz Diken | 19 February 2015 Part 1
Apa Yayıncılık- Makine Market “Betonstar Goals- 2014” - Chairman of the Board Oğuz Diken
Sami Altınkaya Outlet Road - World Brand Betonstar - Chairman of the Board Oğuz Diken | 8 May 2014