I am not going to dignify the rest of your diatribe with a response
But checking the map; neighbours with land borders (unless you are still thinking about swimming tanks!)
North Korea - Indigenous Tanks based off
Russian tech
Russia - Indigenous Tanks -
soon to have T99s
Mongolia - T55 (~370)/T72(55)
Kazakhstan - T72 (~221)
Kyrgyzstan - T72 (~150)
Tajikistan - T72/T62(~40)
Afganistan - No Indigenous Tanks
Pakistan - Imports Chinese Tanks
India - Arjun (Indigenous) T90S (Joint with Russia)
Nepal - No Indigenous Tanks
Bhutan - No Indigenous Tanks
Burma - T72 (~139)/Type-69-2 MBT (~80)
Laos - T55 (~50)
Vietnam - T62(~70)/Type 59 (~350)/T55 (~850)
!