Adopen follows a customer oriented approach where customers can report their demands and dissatisfactions easily, where these are dealt with objectively, fairly, carefully and confidentially, managed in a way that is not against the legal conditions and our company policy, necessary reforms and checks are carried out constantly to avoid the occurrence of the same dissatisfaction, transparency is predicated upon in customer relations and resolving all customer dissatisfactions is perceived as the main principle.

Wintech, the leading global PVC profile manufacturer, was established in Antalya in , with a half century of knowledge and experience of Çağlar Plastics Ind., which is one of the pioneering window producers of Turkey. Wintech moved to the new facilities in the Antalya Industrial Zone in , which is one of the biggest industrial zones of Europe. Manufacturing process is carried out in shifts seven days a week, hours a day in the Wintech facilities which cover an area of K m².

As a company which is conscious about its environmental responsibilities, Adopen has determined methods and put them into practice in order to determine the environmental extents and effects of its activities during all of the phases and supporting processes starting from the manufacturing of the product until the completion of the shipment. Adopen will remain sensitive about all of its activities being carried out without causing environmental pollution. Therefore the following points have been adopted as our principles;

The profile is placed on the cutting table. After making the necessary measurement settings, cutting is made. The most important point to be considered when cutting is to make a cut by adding the weld share ( mm for each end of the cut profile is mm in total.). It should be noted that the cutting angle should be ° or °. In other angles, the cutting angle should be at the specified angle. Otherwise, the corners are not exactly ° when welding.

Wintech, aims to manufacture products which are of high quality, steady and unique within the sector, to be used safely in every area of life, and to provide service to as many locations as possible on earth under Wintech brand, in order to present these products within the frame of world-wide production concept. Wintech, acts in full compliance with the highest quality standards in every step from the beginning of the manufacturing to the delivery of the products to end-users, in the factories located at different countries in the world.