Dioki Petrokimya established in 2016 on a total field of 85000 m2 in which has 25000m2 closed area,completed installation and start up of two production lines,which are HIPS/GPPS and EPS,shorter than one year.In order to decrease dependency of our country to foreigner producers of petrochemical productions and increase the country’s profittable income has been main goal of Dioki Petrokimya which was founded in Adana Yumurtalık Custom Free Zone by a hundred percent of domestic capital and progressive Turkish technology.Dioki Petrokimya has been achieving High Impact Polystyrene,General Purpose Polystyrene and Expandable Polystyrene productions with the highest technology.Our company is one of biggest polystyrene producer of Turkey with a total capacity of 148.000 MTones per year.Dioki Petrokimya has been supplying different types of polystyrene productions with high quality to several industries such as insulation,packaging,White goods,electronics,etc by on-site highly experienced team.