It can be judged by the sales volume. In 20 19, the production and sales of brand cars of Changan Automobile almost all declined. Except for the slight increase in production and sales of Hefei Changan, the production and sales data of Changan Ford, Changan Mazda and Chongqing Changan all dropped significantly year-on-year. It is concluded that the public still prefers Hefei Chang 'an.