Hitachi Chemical is a big unit of a maker of big units. A subsidiary of industrial giant Hitachi, Ltd., the publicly traded company produces chemicals and related products through two units: Electronics-Related Products(semiconductors and displays) and Advanced Performance Products (carbon sliding materials, films, and motor brushes for the automotive industry). Hitachi Chemical's electronics products include materials for making semiconductors and displays, as well as printed circuit boards (also known as printed wiring boards). Its chemicals include basics such as carbon and graphite materials and other organics, including varnishes, resins, and polyethylene. Japan constitutes about 70% of company sales.