Established in 1939 the company includes ten different companies as Hassan Group, Siteks Sismanlar, Siteks Dis Ticaret, Hassan, Haspas, Teksis, Telasis, Catsis , Pelsan, Aksis, Merkas. Siteks being the first company and the first manufacturer of the sector of Hassan Group has a facility on 30.000m2 closed and 40.000m2 open area in Saray, Tekirdag with sale office at Tekstilkent Business Center in Istanbul. Siteks supplies the sector with felt for automotive, whitegoods, furniture-mattress .....