Being the first company of the group, Siteks has its own land for production in Tekirdag Saray (around 120km to Istanbul) with 50.000 m2 closed and 170.000 m2 open area and has its office in Istanbul Levent Apa Giz Plaza, producing all kind of Acoustic & Thermal Insulation Felts for various industries such as Automotive, White Goods, Constructions and Mattress & Furniture sectors.

Along with virgin fibres, Siteks uses various recycle fibres and textile remnants in its modern machineries by supporting the environment. Siteks guaranteed felts, can be produced between 200gsm up to 3500gsm, from 2mm up to 100mm in thickness and in cut sheets, rolls and die cuts.

The hardness and softness of the felts can be arranged according to its end use areas by using various fibres and combinations. With recent investments, Siteks is one of the biggest producer in Europe and surely the biggest producer in Turkey. Siteks Hakkimizda

Siteks felts and fibres are used as semi products in other Hassan Group’s factories. The Hassan Group consist of 8 production companies. These are; Siteks, Hassan, Haspas, Telasis, Catsis, Pelsan, Aksis, Merkas.