Photo taken on Sept. 17, 2019 shows a workshop of the CRRC Zhuzhou Electric Co., Ltd. in Zhuzhou City, central China's Hunan Province. CRRC Zhuzhou Electric Co., Ltd. unveiled the key components of its magnetic-levitation train with a designed speed of 600 kph in central China's Hunan Province Tuesday. (Photo by Chen Sihan/Xinhua)