Company: Doruk Biliim Teknolojileri Ltd. ti. (Engiz Day. Tk. Mal. let. ve Telekom. Hiz. n. Teks. San. Tic. Ltd. ti.)
Address: Dikilita Mahallesi Eren Sokak No: 28 Kat:1-2 Beikta stanbul,34349 Trkiye mustafa kemal paa mah hasan polatkan cad no 9 Eskiehir, Trkiye ** Registrar:Phone: + 90-212-3269200
Fax: + 90-212-2272811
Email: nstech@doruk.net.tr
