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TPR
Since its foundation in 1939, TPR has gained the trust of customers around the world with powertrain components such as piston rings, cylinder liners, and valve seats, based upon its vast accumulation of technology for materials processing and surface treatment. They established a factory to meet the huge demand of cast iron cylinder liner along with the general trend to aluminum cylinder block and also, conventional type of liners are produced for most of Japanese vehicles.
As an O.E. manufacturer, TPR has earned the solid trust of auto makers such as Toyota, Mitsubishi, Isuzu, Honda, Nissan Diesel, Daihatsu, Yanmar, Mitsubishi Heavy Ind., Komatsu, Niigata & Yamaha.
TPR is the only manufacturer of every component that is 100% made in Japan and the leading manufacturer of cylinder liners in the world.
One of its recent achievements is being the recipient of the "Quality awards" from Toyota Motor Corporation during the “2008 Toyota Global Suppliers Meeting” which means top-level quality.












