Driver of train No G902 from Harbin in Northeast China's Heilongjiang province to Beijing, waves at the Harbin west railway station in Harbin, Jan 22, 2021. [Photo/Xinhua]
Trains running on the line will initially travel at a top speed of 300 kilometers per hour, the company said, but its maximum design speed is 350 km/h.
A section of the route from Harbin to Shenyang, Liaoning, was put into operation in 2012. Another section from Shenyang to Chengde, Hebei, began service in 2018. The 192-km section from Chengde to Beijing opened on Friday.
To reduce noise from railway operations, engineers designed a 1,840-meter "tunnel-like" sound barrier on the section that passes a residential area between Beijing's fourth and fifth ring roads.
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