Hisar Turkey’s highest quality and innovative brand building serves customers with Winsa.

Winsa PVC Window and Door Shutter Systems was established in 1998 under the roof of Sabancı Holding in Adapazarı.

Winsa products are manufactured with the utmost care and professionalism in the production plant in Kocaeli Sarımeşe, which is established on a total area of 40.000 m, of which 34.000 m is closed.