Nippon Denko. 

Nippon Denko Co., Ltd., together with its subsidiaries, engages in the ferroalloys, functional materials, incineration ash recycling, aqua solutions, and electric power businesses in Japan. The company offers ferroalloys products, including high and low carbon ferromanganese, silomanganese, and ferrosilicon; and functional materials, such as zirconium and boron oxide, metal hydride and boron alloys, manganese inorganic chemical products, and cathode materials for lithium-ion batteries. It also provides eco melt systems and utilization of ECOLAROCK, as well as melting and solidification, detoxification treatment/recycling; and aqua solutions comprising wastewater treatment equipment and pure water production systems. In addition, the company is involved in electric power business. Nippon Denko Co., Ltd. was founded in 1925 and is headquartered in Chuo, Japan.