Taki Chemical Co., Ltd. engages in the chemicals, water treatment, and functional materials businesses in Japan. The company operates through Agriculture, Chemicals, Building Materials, Oil, Real estate, and Transportation segments. It provides water treatment chemicals, including polyaluminum chloride for drinking and industrial water treatment, urban sewage treatment, effluent treatment from civil engineering works, industrial wastewater treatment, coagulation in production process, and organic sludge filtration and dehydration. The company also offers functional chemical materials, such as water-soluble aluminum compounds, including takiceram, aluminum phosphate-based binders, and takibine; hydrated silica; and high-purity metal oxide consist of high-purity tantalum and niobium pentaoxide. In addition, it develops high-purity biodegradable polymers for medical applications; and colloidal materials that make use of the unique properties of nano-size particles for photocatalysts, ultraviolet absorbing agents, and electroconductive materials. The company serves customers in various fields, including agriculture, chemicals, functional materials, and biotechnology. The company was formerly known as Taki Fertilizer Manufacturing Co., Ltd. and changed its name to Taki Chemical Co., Ltd. in 1974. Taki Chemical Co., Ltd. was founded in 1885 and is headquartered in Kakogawa, Japan.