DURNA STEEL DOORS, Durnalar Yapi Pls. Metal San. Ve Tic. LTD. STI. the brand is continuing its production activities and Eskisehir Organized Industrial Zone. With ISO 9001-2008 quality certificate of quality and customer expectations DURNA CELIK KAPI Steel door industry proudly serves seeing over everything.The product range DURNA CELIK KAPI Steel doors and fire doors the importance given to work every day and customers may wish to develop themselves in accordance with the demand and the need to implement every detail works. On this occasion, we believe that the company culture and total quality; management in mutual trust and team work is a result of productivity-enhancing approaches.