Recently, the rapid spread of the new coronavirus variant Omicron has led to a rapid increase in the epidemic situation in China. Following the implementation of closed management in Changchun, Jilin Province, Shenzhen, Guangdong announced a “closed city”, becoming the largest Chinese city to implement a “closed city” since the outbreak in Wuhan two years ago. . In the past few days, the epidemic situation in various parts of the country has been one after another, and the prevention and control of the epidemic has continued to escalate. Some cities have directly pressed the pause button. The difficulty of logistics and transportation has greatly increased, and the freight rate has risen accordingly, which has become another support for the rise in steel prices.