Where is the license plate with prefix 'Hei M' from?

[McJocelyn]

Hei M is the license plate prefix for Suihua. The license plate codes for various regions in Heilongjiang Province are as follows: Hei A - Harbin, Hei B - Qiqihar, Hei C - Mudanjiang, Hei D - Jiamusi, Hei E - Daqing, Hei F - Yichun, Hei G - Jixi, Hei H - Hegang, Hei J - Shuangyashan, Hei K - Qitaihe, Hei L - counties and county-level cities under Harbin, Hei M - Suihua, Hei N - Heihe, Hei P - Daxing'anling Prefecture, Hei R - Heilongjiang Agricultural Reclamation Administration Bureau (Reclamation Area). Additional information: The combination of numbers and letters for license plate serial numbers should be used in the prescribed order. When the utilization rate of serial numbers exceeds 60%, the next combination method should be sequentially activated after approval by the provincial public security traffic management department and filing with the Traffic Management Bureau of the Ministry of Public Security. The utilization rate of serial numbers is the ratio of the total number of used serial numbers to the theoretical capacity of serial numbers.