Our company was established in 1973 as Üner Plastic-Osman Erkan evolving since September 2002 according to market conditions by investing in the Gebze Plastic Manufacturers Organized Industrial Zone (GEPOSB) Srpska new factory with an area of ​​5.000 m2 closed Uner Plastic Packaging Industry and Trade Co., Ltd.. Sti. continue to produce mainly under the name of the cover.