Zhennan police station. According to the relevant information on the website, the Jade Hua Ting Community in Mudanjiang is located in the 21st District of Baoan, which is under the jurisdiction of Zhennan Police Station. Jade Hua Ting Community is under the jurisdiction of Zhennan Police Station, which can handle household registration, declaration and residence permit. Zhennan Police Station is about 500 meters away from the Emerald Hua Ting Community in Mudanjiang, and it takes about 6 minutes to walk.