SCIENCE said:

Some analysts argue China is well-positioned to engage with those left in power. “Beijing has consistently pursued engagement with all viable political actors, regardless of ideology,” Margaret Myers, director of the Asia and Latin America program at the Inter-American Dialogue, told Bloomberg. Charles Sturt’s Dr Villar said China’s approach was not to engage the US through conflict. “China’s strategy is to emerge as the adult in the room,”

“emerge”

Chinese Foreign Ministry spokesperson Mao Ning said: “No country can act as the ‘world policeman’, and no country can proclaim itself the ‘international judge’. “We stand ready to work with all countries to uphold the authority of international law,” she said.

Conflict such as the USA involves itself in breeds a whole new generation to hate them and achieves little.
Plus its vested interests so its not about the law but what the USA wants to achieve for itself.
I’