Kayalar group was established in 1970 to produce semi manufactured material for armature. Afterwards the Kayalar Pres Ltd. Şti. company was founded to continue its activity by manufacturing semi products and fittings made of brass. The KAS brand name was registrated in 1994, hence our radiator valves and brass rakor products were presented to the domestic market as our own brand. In 1999 our group companies moved to their new production plant in the area of Istanbul’s Sancaktepe. Today the indoor space for our production is 12000 sq meters which our company the opportunity to increase our capacity and our product range. In 2000 Kaspa Foreign Trade S.A began its activity within the kayalar group to separate the marketing and sales activities. Due to the expansion strategy of the Kayalar Group, the Kayalar Armatür A.Ş. was founded in 2000 for manufacturing corrugated stainless steel hoses. As our last memeber of the group Kas Sismik Elektrik-Elektronik A.Ş was established in 2007 to produce electronic devices. At the fortieth year of the Kayalar Group production life, the Kayalar Group makes continues improvement and develop to perpetuate their competition advantage with having four company, three seperate manufacturing plant with totally 15000m2 inside space, a R & D department with a very well Know How and a highly experienced production and marketing team.