Construction of 2 underwater tunnels on the China-Russia East-route natural gas pipeline is going smoothly, local government informed chinese Xinhua on November 2, 2017.
Gas pipelines will be installed in the 2 tunnels, each 1,139 meters long, connecting Heihe in Heilongjiang Province, and Blagoveshchensk in Russia, the Heihe city government said in a statement.
The underwater project passes through the Heilongjiang River along the Sino-Russian border.
One of the 2 tunnels was completed recently, according to the local government.
The Chinese section of the 3,968-kilometer China-Russia East-route natural gas pipeline originates in Heihe and terminates in Shanghai.
Work on the Russian part of the East-route pipeline began in Eastern Siberia in 2014.