JCU Corp. engages in the manufacture and sale chemicals, machines, and auxiliary equipment for surface treatment. It operates through the following segments: Chemicals, Machines, and New Businesses. The Chemical segment sells surface treatment chemicals (wet process) and related materials in both domestic and overseas market. The Machines segment manufactures and sells surface treatment machines. The New Businesses segment sells plasma surface treatment machines used for pretreatment for printed wiring board plating; and sputtering equipment for coloring use, environment-related machines, new coating materials, metal plating chemicals, and cosmetics. The company was founded in December 1957 and is headquartered in Tokyo, Japan.