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Guoxin Huayuan was invited to participate in the 2021 Guangxi Mountain Flood Disaster Prevention Senior Training class

2021-11-03
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Guoxin Huayuan appeared in hunan province water conservancy advanced practical technology promotion meeting

2021-10-30
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2017-06-01
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2016-10-30
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Guoxin Huayuan participated in the fourth Water conservancy Summit Forum

2016-03-28
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2017-04-30
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2016-09-30
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2017-11-30
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