OYKA, with 46 years of experience gives trust to customers, purchases SEKA Çaycuma Factory in 2003 is the only integrated entity of Turkey in its field. Oyka, with 80,000 tons/year kraft paper, 150,000 pieces/year kraft bag production capacity; operate in three different factories situated in Adana and Çaycuma, export products to many countries of the world, produce standard kraft paper, kraft bag paper with Klupak, Kraftliner production up to 4 layers and 8 colours and industrial type bag with white outer surface and polyethylene in between layers.