We are the largest private company in Japan specialising in the manufacturing of Piston Rings for various top construction machinery. We have invested US $10 million advanced machines for production and quality control. New production lines for automobile and motorcycle rings, in Gas Nitride or Chrome Plated Steel Rings have been adopted from TP (Japan) , Ductile Cast Iron Rings and Plasma Sprayed Rings from Goetze (Germany) . Together with the new Automatic Plating Line and Heat Treatment line, we ae extremely competitive in its market for supplying quality products.