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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

A technician checks fire-fighting robots at a robot company in Tangshan City, north China's Hebei Province, June 11, 2019. (Xinhua/Mu Yu)

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