China is attempting to expand its influence in the Arctic region despite not having any territorial claims over Arctic waters or continental shelves. The country has been described as a "near-Arctic state" and has been granted observer status to the Arctic Council, a group of eight Arctic states including Russia, the US, Canada, and others. This move is seen as unjust by many due to China's lack of sovereignty in the region.
https://www.dailymail.co.uk/news/article-14266411/Global-war-control-ARCTIC-Russia-China-fears-Trump-Greenland.html