The heavy truck market suffered a decline of 3% in the past April, and the diesel engine market, which is highly related to it, also experienced a decline. In April 2019, China's automotive diesel engine market achieved total sales of 267,600 units, down 6% from the same period last year. The growth rate fell from last month (+4%), with 17,200 units less than that in April last year. From January to April 2019, the automotive diesel engine market has sold 1,042,100 units, down 4% year on year.