宇通客车：4月份销售量同比下降27.40%

Group 1 - The core point of the article indicates that Yutong Bus (600066) reported a significant decline in sales volume for April 2025, with a total of 3,338 units sold, representing a year-on-year decrease of 27.40% [1] - Cumulative sales for the year reached 12,349 units, showing a slight year-on-year increase of 0.16% [1] - The sales breakdown reveals that large bus sales were 1,685 units, down 33.92% year-on-year; medium bus sales were 1,009 units, down 36.30%; while light bus sales increased to 644 units, up 38.79% [1] Group 2 - Production figures for April 2025 totaled 3,517 units, reflecting a year-on-year decline of 29.33% [1] - The production breakdown indicates that large bus production was 1,774 units, down 36.30% year-on-year; medium bus production was 1,042 units, down 38.09%; and light bus production increased to 701 units, up 37.72% [1]