Bei'an is a county-level city in west-central Heilongjiang province in the People's Republic of China. It is under the jurisdiction of Heihe. Bei'an was the provincial capital of Bei'an province of Manchukuo, a puppet state set up by Japan during the Second World War. Bei'an received the unofficial moniker of "Gun City" because it was the location of Factory#626; Factory#626 mainly manufactured Chinese clones of WW2 firearms and Type 56 rifles.