China Railway Fifth Bureau make major breakthrough on July 5 2020 on Darui Railway Baoshan Tunnel.

Tunnel in Longyang District of Baoshan City 16.097 kilometers. It is class I high risk tunnel. It is 3rd longest tunnel on Darui Railway.

Darui Railway important part of China-Myanmar International Railway Passage. 330 kilometer long. Trains will speed 140 kilometers per hour.

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