What is "hegang"

Hegang (, also known as Haoli and Heligang), is a prefecture-level city in Heilongjiang province of the People's Republic of China, situated in the southeastern section of the Lesser Khingan Range, facing Jiamusi across the Songhua River to the south and Russia's Jewish Autonomous Oblast across the Amur River to the north. Hegang is one of the principal coal-producing cities in China. Hegang covers an administrative area of and according to the 2010 Census, has a population of 1,058,665 inhabitants. Its built-up area is home to 664,471 inhabitants spread out over 5 urban districts including Dongshan being urbanized, even though still largely rural.