The Aviation Industry Corporation of China (AVIC) has triumphantly announced the completion of the production line for the C919's main landing gear, culminating in the successful delivery of the initial piston rod. This achievement signifies a pivotal advancement in the localization of landing gear manufacturing, solidifying the groundwork for future large-scale production. As one of the four critical systems in an aircraft, the landing gear system is indispensable for ensuring both the safety and superior performance of the C919. Throughout the manufacturing process, AVIC has triumphantly surmounted numerous technological hurdles, showcasing its cutting-edge manufacturing prowess and offering vital support to the localization initiative of the C919 aircraft.