April 8, 2022. According to the information of Wudi county government, it is known that Beihai New District was completely unsealed before April 8, 2022. Wudi County, which belongs to Binzhou City, Shandong Province, is located in the north of Shandong Province, bordering Bohai Bay in the northeast, Zhanhua District in the southeast, Yangxin County in the south, Qingyun County in Dezhou City in the west, Haixing County and Huanghua City in Cangzhou City, Hebei Province in the north.