The State Grid Beijing–Shanghai Optical Transmission Upgrade Project (North China Section) marked the company’s first participation in a national backbone circuit project for State Grid. The North China section covered 20 sites across Beijing, Tianjin, Hebei, and Shandong, making use of 5,887 kilometers of existing and in-progress communication optical cable resources and involving a total of 59 communication stations.

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The successful delivery of this project reflected the company’s commitment to steady progress, stronger core capabilities, and continued brand building. It also demonstrated the Zeyu spirit of taking on challenges, striving for excellence, and pushing beyond limits—laying a solid foundation for the company to undertake more national backbone and large-scale engineering projects in the future.

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