According to the data released by the National Bureau of statistics on May 17, in April, the added value of industries above designated size increased by 9.8% year-on-year, 14.1% over the same period in 2019, with an average growth of 6.8% in two years; It increased by 0.52% on a month on month basis. Among them, the chemical raw materials and chemical products manufacturing industry increased by 8.7% year on year.