Asahi Kasei (旭化成株式会社) is a company that manufactures and sells chemicals. It provides acrylonitrile, alkaline water electrolysis systems, engineering plastics, gas sensors, electronic compasses, and other products. The company also offers real estate-related operations, house remodeling, pharmaceuticals and reagent development services, etc. Asahi Kasei caters to electronics, energy, life science, and other sectors.