On December 21, the event for promoting the Chongqing Changan Automobile Global Science and Art Center and signing the flying car cooperation was held. Chongqing Changan Automobile and EHang signed a cooperation agreement for flying cars, and both parties will jointly tackle key technologies such as the complete flying car, explore and research products with a sense of futurism and technology, layout flying car application scenarios, and promote the commercialization process.