In fact, Korea will block all of products without KC from foreign regions. Contrary to the content of the article, Korea informed China about it in advance. So Ali and Temu are already getting ready to a KC corporation for profit.
Also, Korea is preparing to change the contents of the FTA treaty for benefit of Korea (I know, this sounds like a humor). It is a closed-door policy.
Many Korean oppose this policy, but the Korea government is lying that it is a false rumor.
It will take effect from 1st June.