Editor's note: Xu Xiujun, a special commentator for CGTN, is a research fellow and director of the Department of Comparative Studies on Chinese and Foreign Affairs of the National Academy of Chinese Modernization at the Chinese Academy of Social Sciences.
The Trump administration announced new 25 percent tariffs on all steel and aluminum imports into the U.S. This move not only further disrupts the global trade order built on World Trade Organization (WTO) rules, but also poses significant challenges to the development of Global South countries.