Otokar, 12.9.2017: "Otokar, Turkey's largest privately owned defence company, made a strong appearance at DSEI, on September 12-15, 2017 in London. Otokar exhibited its own design armoured vehicle ARMA 8x8 and UCOK turret system."
https://www.otokar.com/en-us/corporate/media/news/Pages/otokar-to-exhibit-its-arma-8x8-armoured-vehicle.aspx