Keshan County, belongs to Qiqihar City, Heilongjiang Province. Located in the western part of Heilongjiang Province and the northeastern part of Qiqihar Region, Keshan County is connected to Kedong County in the east, Bayquan County in the south, Yian County in the west, Nehe City in the north across the Nemuer River and Wudalianchi City in the northeast, with a total area of 3,186.11 square kilometers. As of October 2022, Keshan County has 7 towns and 8 townships under its jurisdiction, with 7 functional areas. As of the end of 2021, Keshan County had a total population of 447,019,000 people. Keshan County is located in the hinterland of the Songnen Plain, one of the world's three major black soil belts, and is rich in agricultural products such as potatoes, soybeans, corn, etc. It is the hometown of China's potato seed potatoes and China's hometown of high-protein soybeans. in October, 2020, it was rated as the National Model City (County) of Shuangbao. In 2021, Keshan County realized a gross regional product of 6,881.11 million yuan, of which the added value of the primary industry was 3,310.36 million yuan, the added value of the secondary industry was 782.10 million yuan, and the added value of the tertiary industry was 2,788.65 million yuan. The primary, secondary and tertiary industries pulled the economic growth of 2.2, 2.7 and 2.3 percentage points respectively. The structure of the three industries is 48.1:11.4:40.5.