Beijing is located north of Shanghai. Shanghai is located slightly north of the 30° N line of latitude. Which country shares a border with the northernmost part of China? What are two countries located between the 105° E and 135° E lines of longitude?

Country which shares a border with the northernmost part of China : RUSSIA

Looking at the map I attached, you will notice that the northernmost part of China is to the North East between 120° E and 135° E. The country that borders this area is Russia.

Countries located between 105° E and 135° E lines of longitude:

Looking at the map and the lines of longitude circled, countries between these two lines of longitude are: