Tire Performance Testing, Dynamic Balance, High-Speed Uniformity and Geometry Measurement for Final Finish and Tire& Wheel As ... sembly. As a leading manufacturer of Tire Test and Measurement Solutions, Kokusai just celebrated its 50th corporate anniversary and 2000 delivered systems. Kokusai´s headquarter is located in Tokyo/ Japan with sales and service offices in Asia, Europe and USA. Indoor Testing on real road surfaces – Kokusai`s Flat Road Tester allows acquiring of highest quality data for tire modelling in shortest time. Final Finish Measurement - Kokusai offers the most compact solution: Combined High-Speed Uniformity, Dynamic Balance and Geometry Measurement including Automatic Rim-Change. read more