Founded in 1991 in Ümraniye under the name AK-TEK Aluminum, the company initially focused on aluminum joinery and shutter production. Closely following developments in the sector, in 1996, the company modernized its machinery with the latest technology, increasing both its capacity and the variety and quality of its products. That same year, it also began producing PVC joinery. In 2000, it completed its corporate structure and changed its name to AYPEN Aluminum Plastic Joinery Systems Industry and Trade Ltd. Co. In 2010, it began producing winter gardens with its first self-designed veranda system. In 2020, it started producing its first aluminum panel door system, also designed in-house. In 2021, the company unified all its products under the MEDAL brand. With a total area of ​​30 ...