China ”distances itself” from North Korea's dispatch of troops to Russia... ”We don't know the relevant situation”

The Chinese government has stated that it has no knowledge of the issue of North Korea sending troops to Russia. A spokesperson for the Chinese Foreign Ministry said at a regular press conference on the 24th, "China is not aware of North Korea sending troops to Russia.
In response to a question from South Korean news agency Yonhap News about whether China is aware of any related circumstances, China said it has no knowledge of such a situation.
In response to the question, "How does China view this?", he said, "China's position on the Ukraine crisis is clear and consistent," and "Each official is pushing for de-escalation of the situation."
Regarding the fact that the South Korean National Intelligence Service and Ukraine have raised the issue of North Korea dispatching troops to Russia,
In response to the question, he gave the same answer as before, and did not mention the dispatch of troops at all. Some people have commented on China's attitude, saying, "The Chinese Foreign Ministry's 'I don't know' comment is
There is a view that this is an attempt to distance oneself from the situation in which North Korea and Russia are moving beyond close contact and toward the expansion of war.