2019-10-16

Xiong'an area remote water meter installation demonstration

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2019-10-16

Remote meter reading project for civil water and electricity in nine bases of CNPC

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2019-10-16

Wuhan Yuanchen International

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2019-10-16

PetroChina Kaifeng Base

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2019-10-16

Shengzhou Jiangnan Spring City

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2019-10-16

Zhongrun Overseas Chinese Town

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