In keeping with the management philosophy encapsulated in our watchword "Best Quality for a Better Life," the Mitsubishi Rayon Group is committed to the creation of unique, high-quality products and services that contribute to the good of society as a whole.Mitsubishi Rayon began life in 1933 as a manufacturer of rayon staple. Over the following decades, the Company accumulated a valuable fund of know-how in the manufacture of synthetic fibers and resins, and in recent years we have leveraged our resultant expertise in polymer technology to move into the booming high-tech fields of hollow-fiber membranes, plastic optical f