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About Us

A Story of Success...

As one of Türkiye’s first window manufacturers since 1956, ADOPEN, the country’s top PVC window maker, was founded in Antalya with a century’s worth of knowledge and experience.

ADOPEN has regional offices in important cities like Istanbul, Izmir, Ankara, Adana, and Antalya to quickly serve its clients throughout the entire domestic market. ADOPEN quickly established itself as a trustworthy brand both in Türkiye and globally.

Since 2000, ADOPEN has operated in Istanbul under the brand PLASPEN, one of the oldest and pioneering enterprises in the PVC sector, in order to best answer the needs of the industry.

In 2003, ADOPEN relocated to its current location in the Antalya Industrial Zone, one of the biggest industrial zones in the Middle East and Europe. ADOPEN’s 630K m² production facilities are open seven days a week, 24 hours a day, with manufacturing operations conducted in shifts.

Quality, Variety and Globality

ADOPEN, 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 under ADOPEN brand, in order to present these products within the frame of world-wide production concept. ADOPEN, acts in full compliance with the highest quality standards in every step of manufacturing to the delivery of the products.

ADOPEN has production facilities in;

Russia, founded in August, 2006,

Ukraine, founded in February, 2009,

Algeria, started operating in 2023,

Egypt, Investment decision was made in 2023.

ADOPEN becomes one of the company which has the largest dealer network in the sector by many firsts in Türkiye and all over the World, continues manufacturing in accordance with the international quality standards. Production is exported over 80 countries starting from Türkiye to all around the world. 

ADOPEN has proved its quality with its numerous accredited quality certificates awarded by internationally recognized quality institutions.

ADOPEN invests heavily in R&D operations in its well-equipped laboratories, while simultaneously boosting its manufacturing capacity and capabilities with superior production techniques.

By investing in the R&D studies, ADOPEN aims at becoming a world brand which not only complies with the global standards in the PVC sector, but also sets even higher technical standards in its field, and exports its newly invented technologies.

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An Example for the Future

Traditional Values

We are inspired by our social culture and values.


We produce quality and innovative products while protecting our environment.

Trust and Innovation

We embrace our principles of reliability and innovation.


We collaborate with our business partners and employees.


“The world’s highest quality profile” when it is said, we would like to be the first brand that comes in to mind on all over the world. Our journey is to place the Türkiye’s name in the highest quality products in the world and making the leadership of whole World in ensuring that an immortal brand profile with ADOPEN the high-tech profile.


The mission of ADOPEN is to present customers the most qualitative products and most efficient services to become “world’s largest PVC profile producer”. In line with this, ADOPEN aims at presenting the world high – technology products and qualitative services with total global understanding.

Research & Development

The strategic importance to R&D is extremely important for progress and success of ADOPEN, In order to present innovative products and valued added projects, ADOPEN improves its production processes continually thanks to its staff of experienced engineers working in the R&D center of the central factory.

ADOPEN spends a significant part of its annual revenue to its R&D expenses every year. These investments symbolize the desire of ADOPEN, which develops its own technology, to create high-quality window and window related products for domestic and foreign markets all over the world.


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