Oji Industrial Materials Management Co., ltd. filter business division is a part of Oji Holdings.Oji Holdings, founded in 1873, is the largest paper manufacturer in Japan.With its history spanning some 150 years, the Oji Group has cultivated challenging manufacturing based on insight gained from paper making and forest development.Filter technologies based on wood resources are one such example.Our mission is to conserve energy and improve air quality.To shape a livable future, we will harness nature's gifts to provide innovative products.