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Li Xiyong presides over Yancoal Australia Board Meeting
Zhang Xinwen attends National Science and Technology Award Conference
Zhang Xinwen meets with COO of Joy Global Randal Wayne Baker
Li Xiyong presides over the Reporting Conference of Yancoal Australia
Li Xiyong visited Yancoal Australia
Zhang Xinwen meets with President of Caterpillar Global Mining Greater China & Korea
Zhang Xinwen and Li Xiyong meet with Chairman of Perdaman Industries
