China Tungsten And Hightech Materials Co.Ltd(000657) was surveyed by 7 institutions on February 28, 2022. Among them, there are 3 investment companies, 2 fund management companies and 2 securities companies. Based on this research event, we found that the main capital flow of the company showed a net purchase of 3.1506 million yuan in the last five trading days. In the trend dimension, the stock prices are operating below the 10th and 20th lines, and the market is not willing to do more.