December 4, 2022 . According to the Epidemic Prevention and Control Center shows that as of November 25, 2022 mackerel circle district has an epidemic resulting in the suspension of the passenger station, the region's expected on December 4, 2022 to resume normal management area, and the passenger station resumed operation. Mackerel Circle District (Yingkou Economic and Technological Development Zone), a district of Yingkou, Liaoning Province, is located in the southern part of Yingkou City, about 60 kilometers away from the old city center of Yingkou, which is the new downtown area of Yingkou City.