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Name: Jiujiu technology   Stock Code: 833824

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Email:luoyang-jj@qq.com       jjkj-xsb@lyjj.com    
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Add:139, Fengrun East Road, High-tech Development Zone, Luoyang, Henan

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Project of Shanghai Metro Line

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Project of Guxian Dam

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Project of Beijing subway line 10

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Project of Chengdu metro line 3

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Project of Shenzhen 9101 section

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Project of Nanjing river-crossing tunnel

 

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