Okada Aiyon Corporation engages in the manufacture, sale, and repair of construction machines in Japan. It offers hydraulic breakers; demolition pulverizers; demolition crusher/shear, including cross cutters, cutters, and primary crushers; recycling attachment, such as grapples, clean and wood cutters, and screening bucket; coupler; and secondhand attachments. The company was formerly known as OKADA Rock Drill Co. and changed its name to Okada Aiyon Corporation in 1983. Okada Aiyon Corporation was founded in 1938 and is headquartered in Osaka, Japan.