AYTAŞ GYPSUM INC. TURKEY - Ankara. Aytaş Gypsum A.Ş. was founded on 2007 in Ankara, Bala, wherein the highest quality gypsum stratum is located. Two production plants, namely Aygips and Aypan are located on an overall of open area of... Supplier of: gypsum board | gypsum | plaster board | Construction Materials | plaster.