东安动力(600178.SH)：本年发动机累计销量同比增长19.07%

Group 1 - The core point of the article is that Dong'an Power (600178.SH) reported its production and sales data for December 2025, showing a mixed performance in engine and transmission sales [1] Group 2 - In December, engine sales reached 42,400 units, representing a year-on-year increase of 3.16% [1] - Cumulatively, the total engine sales for the year amounted to 432,900 units, reflecting a year-on-year growth of 19.07% [1] - Transmission sales in December were 17,700 units, which is a significant year-on-year decline of 35.99% [1] - The total transmission sales for the year reached 172,900 units, indicating a year-on-year increase of 41.08% [1]