According to statistics and analysis of China Association of Automobile Manufacturers (CAAM)，the amount of China’s auto production was 1,797,900 units in January, decrease 3.58% compared with last month, and up 11.33% compared with the same period of last year. Among main automobile categories, production of passenger cars was 1,398,100 units, lower than the previous 3.26% and up 12.39% year on year; the output of commercial vehicle was 399,800 units, lower than the previous 4.68 percent, and increase 7.77% compared with the same period of last year;