It was formed in 1998 with the merger of Chichibu Onoda (itself a merger of Chichibu Cement and Onoda Cement) and Nihon Cement (formerly Asano Cement).
It came into being in 1998 as a result of the merger between Chichibu Onoda (emerging from the union of Chichibu Cement and Onoda Cement) and Nihon Cement (originally Asano Cement).