NIHON SEIKO CO., LTD. is a company mainly engaged in the manufacture and sale of antimony products and metallic powder products. The Company operates in three business segments. The Antimony Business segment involves in the manufacture and sale of flame retardant additives for synthetic resin products; antimony trioxide used as polymerization catalysts of polyester; antimony trisulfide used as antifriction materials of brakes, as well as sodium antimonate, among others. The Metallic Powder segment involves in the manufacture and sale of non-ferrous metal fine powder for electronic components, with a focus on copper, as well as powder metallurgy (coarse powder) for the bearings of precision motors, among others. The Others segment is engaged in the leasing of commercial real estate. As of March 31, 2012, the Company had one consolidated subsidiary.