Shenzhen Minde Electronics Technology Ltd(300656) was surveyed by 49 institutions on March 31, 2022. Among them, there are 21 fund management companies, 13 investment companies, 9 securities companies and 3 life insurance companies. Based on this research event, we found that the company’s main capital flow showed a net outflow of 1.117 million yuan in the last five trading days. In the trend dimension, the stock prices operate below the 10th and 20th lines, and the market is not willing to do more.