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Welding Completed Ahead of Schedule in Russian-China Gas Pipeline Border-Crossing Section


On October 27, under the joint witness of the owner and the supervisor, the last welded joint of the Russian-China Gas Pipeline East Line border-crossing section Heilongjiang River Shield Tunneling constructed by CPP is completed. This marks the main body of the section is completed and will go to final stage of pressure test.

During the construction, the project overcomes the dual-standard requirements of China and Russia and the problem of large-scale concrete pouring in winter to complete the cross-border tunnel with high standards. It has independently researched and developed 17 projects innovations and applied for 2 national patents. The project performance has obtained unanimous approval from the owner and the supervisor.