CIMT2021 (17th China International Machine Tool Exhibition) will be held at China International Exhibition Center (New Hall) in Beijing from April 12 to 17, 2021. Due to the impact of the novel coronavirus epidemic, the travel of domestic and overseas personnel has been restricted. In particular, the number of buyers from South Korea, Japan, India, Southeast Asia and Taiwan, which accounted for a relatively high proportion of overseas visitors, has decreased significantly, and the total number of cumulative visitors still reached 200017.