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    Gongyu Expressway monitoring project

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    The Gongyu expressway is the first expressway through permafrost regions of the Qinghai-Tibet plateau, was officially opened to traffic in August 1, 2017.The letter of invitation to tender is publicly issued by Qinghai Highway Scientific Research Survey Designing Institute,-Stone Edge had won the bidding with excellent technical strength, high quality, reasonable price and perfect service system. The system can collect relevant original data for highway engineering in different types of permafrost areas,It can provide design gist for highway engineering in the permafrost area through long-term monitoring and data analysis.