When did Russia return Manchukuo to China?

1945, that year 10, after arduous negotiations, the Soviet Union returned the Northeast to China. In the same year1October 27th, 10, the vanguard troops of the national army landed in Huludao, but were attacked by forests. Tigers snipers had to land in Qinhuangdao, but the Soviet Union did not stop * * * from receiving cities in the northeast. The national army had to occupy Shanhaiguan and gradually advance to the northeast.