Hanwei Electronics Group Corporation(300007) was surveyed by two institutions on February 24, 2022. Among them, there is one fund management company and one securities company. Based on this research event, we found that the main capital flow of the company showed a net purchase of 29.6373 million yuan in the last five trading days. In the trend dimension, the stock price broke through the 10th line, but the 20th line is still in a downward trend, and there are great differences between the long and short sides.