why do countries such as South Korea and China have latin numbers and letters on their license plates when their language doesn’t use them?

Question

Edit: Latin letters and numbers might not be the right word. I meant letters such as AaBbCc and numbers such as 123.

In: 3829

Answer 1

I have no clue but my drunken assumption is that stamping minute detail into metal is a pain in the ass, and easily to alter. 26 chars creates plenty of variations with 6 or 7 numbers, and they are fairly distinct symbols.