Manchurian Plain

The Northeast China Plain, also known as Songliao Plain, Manchurian Plain or Northeast Plain, is located in Northeast China. It lies between the Greater and Lesser Khingan and Changbai mountains, ending at the coast at Liaodong Bay in the Bohai Sea. Covering 350,000 km², it is China's largest plain, with an elevation of lower than 200 meters, and less tha…
The Northeast China Plain, also known as Songliao Plain, Manchurian Plain or Northeast Plain, is located in Northeast China. It lies between the Greater and Lesser Khingan and Changbai mountains, ending at the coast at Liaodong Bay in the Bohai Sea. Covering 350,000 km², it is China's largest plain, with an elevation of lower than 200 meters, and less than 100 meters to the southwest. The Songhua, Nen, and Liao rivers run through the plain.
Data from: en.wikipedia.org