Sunwu County, belonging to Heihe City, Heilongjiang Province, is located in the northern part of Heilongjiang Province and the central part of Heihe City, at the northern foot of Xiaoxinganling. It is adjacent to Aihui District in the north, Wudalianchi City in the south, Nenjiang City in the west, and Xunker County in the east, and 106 kilometers away from the downtown of Heihe City. The border line is 35 kilometers long, and it is separated from Konstantinovka District of Amur Region of Russia by Heilongjiang River. According to the seventh census data, as of 00:00 on November 1, 2020, the resident population was 73,387 people. With a total area of 4,318.9 square kilometers, it has 1 street office, 2 townships and 9 townships (including 1 ethnic township), 94 administrative villages, 2 state-run farms and 7 state-owned forests, and 19 ethnic minorities such as Manchus, Daur, Russians and Oroqen. In 2022, the gross regional product of Sunwu County will realize 2.46 billion yuan, an increase of 4%; the investment in fixed assets of the whole society will increase by 8.7%; the general public budget revenue will realize 230 million yuan, an increase of 0.9%; the per capita disposable income of urban and rural residents will increase by 4.4% and 3.8%; the comprehensive energy consumption of 10,000 yuan GDP will decrease by 3%.