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Xinhua Headlines: Tech know-how modernizes China's century-old industrial city

Source: Xinhua| 2019-06-23 17:44:22|Editor: mingmei

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Xinhua Headlines: Tech know-how modernizes China's century-old industrial city

Photo taken on May 31, 2019 shows the sewage treatment area of HBIS Group Tangsteel Company in Tangshan, north China's Hebei Province. (Xinhua/Mu Yu)

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