TEDI 
TRADING
MADE IN 
JAPAN

TEDI TRADING

Due to the quality of its products, RIKEN CORPORATION is the main manufacturer of piston ring set for most Japanese car factories, including Komatsu. Techno diesel Trading is the official and exclusive representative of this corporation since 2001. Techno Diesel is the supplier of Komatsu and Cummins piston ring set from RIKEN CORPORATION. (OEM)