What does a license plate starting with WJ indicate?

[Gabriela]

A license plate starting with WJ is a special plate designated for the Armed Police Force, where WJ stands for the initials of the Chinese characters for 'Armed Police'. Old-style Armed Police license plate regional codes: WJ01 is the Armed Police Headquarters, WJ02 is Hebei Province, WJ03 is Inner Mongolia Autonomous Region, WJ04 is Shanxi Province, WJ05 is Liaoning Province, WJ06 is Jilin Province, WJ07 is Heilongjiang Province, WJ08 is Shanghai, WJ09 is Jiangsu Province, WJ10 is Zhejiang Province, WJ11 is Anhui Province, WJ12 is Jiangxi Province, WJ13 is Fujian Province, WJ14 is Shandong Province, WJ15 is Guangdong Province, WJ16 is Guangxi Zhuang Autonomous Region, WJ17 is Hubei Province, WJ18 is Hunan Province, WJ19 is Henan Province, WJ20 is Sichuan Province, WJ21 is Yunnan Province, WJ22 is Guizhou Province, WJ23 is Shaanxi Province, WJ24 is Gansu Province, WJ25 is Qinghai Province, WJ26 is Xinjiang Autonomous Region, WJ27 is Ningxia Hui Autonomous Region, WJ28 is Tianjin, WJ29 is Tibet Autonomous Region, WJ30 is Hainan Province, WJ31 is Beijing, WJ32 is Chongqing, WJ00 is Military Vehicle Supervision.