City level. By inquiring about the information of Yimin Public Security Bureau in Hulunbeier, we know that Yimin Public Security Bureau in Hulunbeier is a prefecture-level city, the organ area is Hulunbeier, and the system category is public security system. The Yimin Public Security Bureau of Hulunbeier City Public Security Bureau is located in Yimin River Town, Ewenki Autonomous Banner, Hulunbeier City, Inner Mongolia Autonomous Region.