Chinese President Xi Jinping (R, front), also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, buys a herbal sachet made by the 80-year-old villager Wang Xiuying in Mazhuang Village of Xuzhou, east China's Jiangsu Province, Dec. 12, 2017. Xi had an inspection tour in Xuzhou on Dec. 12. (Xinhua/Ju Peng)

Chinese President Xi Jinping talks with Party members, who are studying the spirit of the 19th National Congress of the Communist Party of China (CPC), in Mazhuang Village of Xuzhou, east China's Jiangsu Province, Dec. 12, 2017. Xi made an inspection tour in Xuzhou from Dec. 12 to 13. (Xinhua/Xie Huanchi)

Chinese President Xi Jinping visits the Museum of the Huaihai Campaign in Xuzhou, east China's Jiangsu Province, Dec. 13, 2017. Xi made an inspection tour in Xuzhou from Dec. 12 to 13. (Xinhua/Ju Peng)

Chinese President Xi Jinping visits the Museum of the Huaihai Campaign in Xuzhou, east China's Jiangsu Province, Dec. 13, 2017. Xi made an inspection tour in Xuzhou from Dec. 12 to 13. (Xinhua/Xie Huanchi)

Chinese President Xi Jinping visits the Museum of the Huaihai Campaign in Xuzhou, east China's Jiangsu Province, Dec. 13, 2017. Xi made an inspection tour in Xuzhou from Dec. 12 to 13. (Xinhua/Xie Huanchi)

Chinese President Xi Jinping visits the Museum of the Huaihai Campaign in Xuzhou, east China's Jiangsu Province, Dec. 13, 2017. Xi made an inspection tour in Xuzhou from Dec. 12 to 13. (Xinhua/Xie Huanchi)