Name: ONN İNŞAAT A.Ş.
Address: Cafer Ağa Mah. Sarraf Ali Sk Kaan Apt. No: 25/13, İstanbul, 34, 34710, TR
Telephone: ++90 2163493831

Tel: +90 216 349 38 31

Office GSM: +90 546 276 66 27

Caddebostan Mah. Sarıgül Sk.

Sera Apt. No:22/17 Kadıköy / İstanbul