Korteks Technical Textile Products Showcased at Techtextil Fair. Korteks, one of Europe's largest integrated and innovative polyester yarn manufacturers, participated in Techtextil Fair, one of the world's leading fairs in the field of technical textiles. Held in Frankfurt, Germany, from April 23 to 26, 2024, the fair showcased the innovative, functional, value-added yarns and innovative products developed by Korteks at its R&D center.