Rampungake ukara ing ngisor iki: Tanggal 9 Agustus 1945, Uni Soviet
nyerang Manchukuo, lan tanggal 14, USSR lan Republik China nandatangani perjanjian persahabatan; penandatanganan perjanjian kasebut diumumake tanggal 27. Miturut syarat-syarat perjanjian iki, perusahaan gabungan Sino-Soviet dibentuk, sing diarani China Changchun Railway, kanggo ngoperasikake Renkyō Line (dikenal minangka Changda Line sawise Xinjing bali menyang jeneng asline, Changchun) lan sawetara garis sing sadurunge diduweni dening Railway Nasional Manchukuo, kalebu Xinjing <unk> Harbin Jingbin Line lan Harbin <unk> Manzhou Binzhou Line. Mantetsu resmi dibubaraké tanggal 30 September 1945. Railway China Changchun ditransfer menyang Railway China ing taun 1955, sawise garis Changda dipérang, kanthi bagean Dalian-Shenyang dadi Railway Shenda, lan bagean Shenyang-Changchun dadi bagean saka Railway Beijing-Harbin Jingha.