KÖKSAL PLASTİK LTD. ŞTİ., one of the first companies in Turkey to specialize in the plastic hose industry, was founded in 1976 by KÖKSAL AHMET YALKILIÇ in the Karaköy district of Istanbul. For many years, the company operated under the founder's name, and in 2006, it transitioned to a limited company status and adopted the name “Köksal Plastik Pneumatic Hose Import Export.”