Our economic activities supported by the system of mass-production, mass-consumption, and mass-disposal resulted in damaging environment and wasting reusable resources. Constructing an affluent society, we have to change from a one-way society to recycling-based society cutting off wastes as much as possible with our efforts to restrict to produce wastes. SED as one of corporations assuming the 21st century work based on systems of society with sound material cycles by using brand-new technologies. We pursue what "affluent” is.