Alcoa Fastening Systems (AFS), a unit of Alcoa, signed a strategic technology and commercial cooperation agreement with Commercial Aircraft of China Ltd. (COMAC). This agreement deepens Alcoa’s existing partnership with COMAC, the main manufacturer of large passenger aircraft programs in China. AFS will provide COMAC with technical assistance in fastener and assembly tooling selection, joint-design consideration and quality-system management. The technical assistance will include engineering, design and training. In return, COMAC will purchase a significant percentage of its fasteners from AFS for the initial production of the C919 aircraft.