Ube Industries Ltd. engages in the operation of chemical, construction materials, machinery and environmental businesses. It operates through the following business segments: Chemicals, Construction Materials, Machinery and Others. The Chemicals segment provides nylon products made from caprolactam, nylon resin, polybutadiene rubber, polyimide, and silicon nitrides; and also provides separators for lithium-ion batteries, thermal control film for satellites, gas separation membrane modules, synthetic marine fragrances and others. The Construction Materials segment offers unique construction materials, interior and exterior materials, waterproofing materials, and self-leveling compounds to plaster and foundation materials, which are used extensively in construction and engineering projects. The Machinery segment offers conveyance machinery, mills, crushers, and bridge and steel structures, as a trusted manufacturer backed by own cutting edge technology. The Others segment engages in the development, sale and brokerage of real estate properties. The company was founded by Sukesaku Watanabe in June 1897 and is headquartered in Ube, Japan.