Nippon Denko. 

Nippon Denko Co., Ltd., together with its subsidiaries, manufactures and sells ferroalloys, functional materials, and environmental recycling systems in Japan. Its ferroalloys include high-carbon ferromanganese, medium-and low-carbon ferromanganese, ferrosilicomanganese, ferrosilicon, high-carbon ferrochromium, ferrovanadium, and ferroniobium. The company also offers functional materials, such as ferro boron, metal hydride alloys, cathode materials, zirconium oxides, manganese inorganic chemical products, boron oxide, boric acid, and electrolytic metal manganese. In addition, it provides environmental recycling systems, including chromic acid recovery systems for the production of industrial chemicals; boron recovery systems to absorb and eliminate the boron contained in wastewater; nickel recovery systems to recover nickel from nickel-containing drainage; AQUA PACK, a cartridge demineralizer; and MR-PACK, an integral pure water production unit. Further, the company produces and sells fertilizers; industrial chemicals, synthetic resins, special metals, packaging materials, high-pressure gases, abrasives, and pollution control equipment; polyethylene pipes, bags, nets, sheets, and PVC pipes; and roadbed building materials and solar panel installation materials, as well as generates renewable energy power. Additionally, it engages in transportation, warehousing, and sale of materials for steelmaking; recycling of general and industrial waste by melting; collection and haulage of industrial waste; provision of ship agency services; and sale of fuels. Nippon Denko Co., Ltd. was founded in 1925 and is headquartered in Tokyo, Japan.