Chinese President Xi Jinping (C), also general secretary of the Communist Party of China (CPC) Central Committee and chairman of the Central Military Commission, shakes hands with workers when visiting Xuzhou Construction Machinery Group Co., Ltd. in Xuzhou, east China's Jiangsu Province, Dec. 12, 2017. Xi had an inspection tour in Xuzhou on Dec. 12. (Xinhua/Xie Huanchi)