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Leaders of Datong Coal Mine Group take teams to check various units
Leaders of Datong Coal Mine Group take teams to check various units
Zhang Youxi gives keynote speech at China International Mining Conference 2011
Datong Coal Mine Group wins highest award for international cooperation in environmental protection in China International Mining Conference 2011
Leaders of Datong Coal Mine Group take teams to check various units
Datong Coal Mine Group Receives "National Civilized Unit" Title
Zhang Youxi speaks at 6
th
China-Japan Forum on Energy Conservation and Environmental Protection in Beijing
Tashan Coal Company Appointed as One of the First Batch of National Green Mining Pilot Units by China's Ministry of Land and Resources
Datong Coal Mine Group leadership reshuffle
Zhang Youxi gives keynote speech at China International Mining Conference 2011
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