China and Russian Federation launched on Monday a gas pipeline that is more than 6,000 kilometers (3,750 miles) long, an outcome of their long-planned energy partnership.
When it's fully completed, the pipeline will span more than 5,000 miles, joining a 3,000-kilometer (1,864 miles) section in Russian Federation with a 5,111-km (3,176 miles) stretch in China, eventually terminating in Shanghai.
Chinese President Xi Jinping and Russian President Vladimir Putin inaugurated the pipeline - dubbed the "Power of Siberia" - through a joint video conference.
The new pipeline also called "Power of Siberia" pipeline will start from the Russian border in Heilongjiang and will link China's northeastern province Jilin and Liaoning.
"This step takes Russia-China energy cooperation to a whole new level and brings us closer to achieving the goal set together with Chinese President Xi Jinping of extending bilateral trade turnover to $200 billion in 2024", Putin said.More news: Prince Harry And Meghan Markle To Miss Donald Trump’s Buckingham Palace Visit
In January, Russia and Turkey will launch the TurkStream while Nord Stream-2 will boost gas output with Germany next year.
"Russia is not only creating new income streams, but hedging its bets and bolstering its position strategically", said energy analyst Andrew Hill.
"This is important for our country, this is important for China", he said ahead of the launch, stressing that the project would create jobs and infrastructure in Russia's Far East.
The initial phase of the pipeline was built in just five years, after the China National Petroleum Corp signed a deal worth $400 billion with Russian energy giant Gazprom in May 2014.
The mammoth Power of Siberia pipeline connecting the world's top gas exporter and its largest energy importer crowns years of tough negotiations and work in hard conditions. It's Gazprom's biggest contract ever.More news: The New Found Black Hole Is Monstrous in Size
The company is to supply China with 38 billion cubic metres (1.3 trillion cubic feet) of gas annually when the pipeline is fully operational in 2025.
Gazprom stressed that the pipeline ran through "swampy, mountainous, seismically active, permafrost and rocky areas with extreme environmental conditions".
"The absolute lowest air temperatures along the Power of Siberia route range from minus 62 degrees Celsius [-80 Fahrenheit] in the Republic of Sakha (Yakutia) to minus 41 degrees Celsius [-41 Fahrenheit] in the Amur Region", it added.
As its relationships with Europe and the United States have grown more volatile, Russian Federation is looking to bring its vast natural gas resources to the east.
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"The eastern branch of the Russian-Chinese gas pipeline is a landmark project in bilateral energy cooperation, it serves as a model of deep integration of mutually beneficial cooperation between our countries", he said.