Köksan, which has reached the largest installed capacity and sales volume in the sector in the field of pet preform and closure production; PET sheet has also been included in its production portfolio.  Pet sheets, which are used extensively in the field of pet glass packaging, can be produced according to the needs of the customers; It can be produced in desired sizes. Köksan invested 3 Million Euros for new production; It aims to be unrivaled in this field, as in other products.