Core Viewpoint - The partnership between Hong Kong Aircraft Engineering Company (HAECO) and Liebherr-Aerospace aims to enhance maintenance services for the COMAC C909 and C919 aircraft, ensuring safety and performance standards as the fleet expands [1] Group 1 - HAECO and Liebherr-Aerospace signed a new component maintenance agreement on August 8 [1] - The agreement focuses on providing comprehensive repair and overhaul services for hydraulic system components of the C909 and C919 aircraft [1] - The collaboration supports COMAC's ongoing fleet expansion while maintaining high safety and performance standards [1]