Dee ihe ndị ọzọ dị na paragraf a - N'August 1945, ndị agha Soviet wakporo Manchukuo
, na-ewere njikwa nke ụzọ ụgbọ okporo ígwè niile na Manchukuo mbụ, na-eke China Changchun Railway; A na-etinye Line Binbei n'okpuru ikike nke Qiqihar Railway Bureau. Ndị Soviet nyefere njikwa nke China Changchun Railway na China na 1955, oge nke a ghọrọ akụkụ nke usoro ụgbọ okporo ígwè China. N'afọ 1957, a kpọfere ahịrị ahụ n'okpuru ikike nke Harbin Railway Bureau, ma rụchaa ụzọ abụọ nke mpaghara Sankeshu <unk> Suihua nke ahịrị ahụ. A rụchara ụzọ abụọ nke ụzọ ahụ fọdụrụnụ n'afọ 1962.