Durmaz walnut farm was established in the town of Denizli called Çal on 300 dunam terrain 1999.A field completely deserted before has been turned into a heaven earth by Yılmaz and Zehra Durmaz.   By year 2014, This is  biggest native grower Turkey with 2000 Kaplan-86 , 1000 Yavuz-1 ...