Prokal started its business life in 1991 as a Turkish - German capital merge in order to manufacture PVC doors & windows. With the foundation of their new facilities in 1995, the company moved to Organized Industrial Region in Sincan, Ankara. The company still operates its production facilities here under a 10.000 m2 closed area and incorporates total local capital.With the start of PVC Profile Extrusion in 1998 and production of PVC Door Panels in 2001, the company earned flexibility to satisfy customized demands, tailoring windows and doors to suit different countries with different climates and utilization habits. The efforts to provide a varied product range and to maintain a progressive innovation philosophy helped the company become a most preferred manufacturer in the area of PVC Main Entrance Doors and Windows among the countries with high and strict quality demands like Germany. Eventually Internationale Plastik has been awarded the “Exporter of the Year" many times.