NEWSObserving int’l relations norms, three China-U.S. joint communiques most important guardrail for China-U.S. relations, Xi says by AEAƎNovember 14, 2022 Share0 Facebook Twitter Google+ Pinterest Amazon reddit LinkedIn Myspace Observing the basic norms of international relations and the three China-U.S. joint communiques is the most important guardrail and safety net for China-U.S. relations, Chinese President Xi Jinping said on Monday.