On the morning of November 13, Gu Shuangquan, Vice Minister of Heavy Rail Business Unit of Handan Iron and Steel Group, Guo Chaojun, Overseas Section Chief of Heavy Rail Business Unit of Handan Iron a
At the invitation of Alibaba Group, October 22, China Coal Group Executive Deputy General Manager Li Zhenbo, Fan Peigong, Shandong Shenhua Information Technology Co., Ltd Technical Director Shen Jianz
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