Jiangyin Haida Rubber And Plastic Co.Ltd(300320) was surveyed by four institutions on January 18, 2022. Among them, there are three securities companies and one fund management company. Based on this research event, we found that the company's main capital flow showed a net purchase of 22.6709 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 go long.