Riken: The Largest Supplier of Car Spare Parts in Japan


The plant, which produces spare parts under the brand Riken, is located in the western part of the island of Honshu in Niigata Prefecture. This company is the largest and main supplier of components and spare parts for car manufacturers in Japan. Riken list of products is constantly updated with new positions. The most popular are: gearboxes, piston rings and engine parts. Total company cooperates with 12 major automobile manufacturers in Japan. In addition, the products by Riken are supplied in some European plants that produce Japanese car models. At present, production volume is such that covers up to 50% of all manufactured piston rings and over 70% of o-rings in Japan.