Manac Inc. engages in the manufacture and sale of chemical products. It operates through the following segments: Fine Chemical Business, Flame Retardant Business, and Health Support Business. The Fine Chemical Business segment provides functional materials and pharmaceutical products. The Flame Retardant Business segment covers flame retardants for plastic and its related products. The Health Support Business segment offers raw materials for artificial dialysis agent. The company was founded on May 17, 1948 and is headquartered in Tokyo, Japan.