Sekisui Chemical Co., Ltd. is a Japan-based company that operates in four business segments .The Housing segment is engaged in the manufacture, construction and sale of housing, the sale of land for subdivision, the provision of reform services, as well as the construction and sale of interior items, exterior items and real estate. The Environment and Life Line segment offers chloride pipes, valves, bathroom units, synthetic wood and adiabator. The High-performance Plastics segment offers intermediate films for laminated glass, semiconductor materials, optical films, inspection chemicals, adhesives and plastic containers. The Others segment manufactures and sells manufacturing equipment for flat panel displays, as well as agricultural and construction materials. In July 2009, the Company acquired polyvinyl alcohol business of Celanese Corporation.