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On June 29, 2018, Jining National High-tech Zone, "Liaohe First Sound", Issue No. 67, 2018, C02, published
© Shandong China Coal Group. © 2017
Address: No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
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Executive Editor: Zhang Wen / Editor: Linda Zhang