Which department does the white license plate starting with 'sb' belong to?

[SanCamilla]

White license plates starting with 'sb' belong to the Political Department of Shenyang Military Region. Here is some information about white license plates: In the newly issued military license plates, the first letter indicates the jurisdiction. 'V' represents units directly under the military region and headquarters, 'Z' represents secondary departments of the headquarters, while the following letters directly use pinyin, such as 'N' for Nanjing and 'S' for Shenyang. Additional information: 1. White license plates: These are used for police vehicles of the political and legal departments, vehicles of the armed police forces, and military vehicles of the People's Liberation Army. 2. Blue plates with white characters: These are for ordinary small vehicles, including special number segments for government agencies and administrative vehicles other than police vehicles of the political and legal departments. 3. Yellow plates with black characters: These are for large vehicles, motorcycles, and driving school training vehicles. 4. Black plates with white characters: These are for foreign-related vehicles, with a design basically the same as blue plates.