Yingkou Economic and Technological Development Zone. According to the query Baidu map shows, mackerel circle district (Yingkou Economic and Technological Development Zone), Yingkou City, Liaoning Province, jurisdiction, is located in the south of Yingkou City, about 60 kilometers away from the old city of Yingkou, Yingkou City, the new urban area; a total area of 268 square kilometers as of June 2020, with the jurisdiction of three streets, three towns.