China has been helping Russia since the very beginning of the war, everyone knows this except for China

Fortunately, China did not help Russia. The United States had indeed set three traps early on after the Russia-Ukraine conflict, each more deadly than the last.
It should be noted that at that time, China issued a statement expressing: it would never provide any form of military aid to Russia and Ukraine. It seemed like they were not intervening, but in fact, their stance was firm, not to escalate the war atmosphere, but to isolate both sides for a peaceful resolution of the disputes.
However, if China were to assist Russia, the first consequences would be economic sanctions, tariffs on China, and technological blockades, and it might even freeze China's foreign exchange reserves. In any case, what Russia has experienced could also befall China.
Secondly, there are enormous war costs. Currently, the European Union and the United States are supporting Ukraine while Russia is resisting alone. The United States has been urging the European Union to increase its budget and aid to Ukraine. If China were to stand on Russia's side, the US would also rally more allies to join the fight, which would be akin to a third world war, with dire consequences!
Finally, there would be attacks on China's public opinion. Currently, China is not involved in the war and is being continuously provoked by neighboring countries. If it sides with Russia, it will undoubtedly face more condemnation.
Therefore, a slight misstep could lead to a bottomless abyss. The international situation is complex, and to remain aloof, the only way is to develop its own economy and enhance its strength.