China Post Securities released a research report on April 14 stating that it gave Runbei Aviation Technology (001316.SZ) an increase in holdings rating. The main reasons for the rating include: 1) the boom in the civil aviation industry and rapid growth in the company's performance; 2) aviation materials distribution and self-research business are progressing to create a second growth curve; 3) the profit margin has decreased due to factors such as price increases from a small number of suppliers, increased amortization after infrastructure project transformation, and increased share payment expenses; 4) excellent asset conditions, 2023. (Mainichi Keizai Shimbun)