Suizhong County, subordinate to Huludao City, Liaoning Province, is located in the southwest of Huludao City, between 40 ° 37 '- 39 ° 59' north latitude and 119 ° 34 '- 120 ° 31' east longitude. The climate of Suizhong County is warm temperate semi humid continental monsoon climate, with four distinct seasons. As of the end of 2018, Suizhong County has jurisdiction over 14 towns, 11 townships, 25 townships, and the county people's government is located in Suizhong Town, with a total area of 2780.26 square kilometers. According to the data of the seventh census, as of 0:00 on November 1, 2020, the permanent population of Suizhong County is 545963.

Suizhong was called Xinglin Castle in ancient times. In the third year of Xuande in the Ming Dynasty (1428), it was changed to Qiantunwei in Guangning, and a thousand households in the middle and rear; Suizhong County is a key city in the Bohai Rim Economic Circle, a strategic starting point for the "five points and one line" development of the Bohai Rim in Liaoning Province, and a key supporting area of the Liaoning Coastal Economic Belt.

In 2020, the GDP of Suizhong County will reach 16.68 billion yuan, an increase of 1.4%, with a year-on-year decrease of 2.9 percentage points, 6.2 percentage points higher than the city's average level (- 4.8%).