H.R.D.(S) has been active globally as a comprehensive housing research company which tasks include serving as a think tank and trading building material for Japanese home builders. Our broad-ranging activities include development of technology, product and construction management systems; market research; guidance for management strategy, cost estimation and manufacturing training; fostering and dispatch of engineers; designing, integration and cost management with computers and so on. In alliance with more than 100 manufacturing plants across the world, we also develop, manufacture, import and export such things as housing facilities and equipment, interior materials, plywood and stone materials.