The Zhengzhou base of HNA Technology is well maintained. HNA Science and Technology (Zhengzhou) Base is located in the Central Plains Economic Zone with convenient transportation, which can quickly connect North China, East China and South China. It is one of the important aviation hubs in the central region, which provides a favorable geographical advantage for the development of HNA technology. Equipped with advanced equipment and technology such as digital maintenance system and intelligent equipment, it can improve the efficiency and quality of aircraft maintenance and improve the safety and reliability of aircraft.