Everyone must play by the same rules, he said at the annual international policy gathering.
Biden s appearance, his debut before an international audience since becoming president, came as his administration seeks to maintain a tough stance on China while moving away from former President Donald Trump s pugilistic relationship with Beijing.
The Trump administration sought to reshape the U.S.-China trade relationship, placing a key focus on boosting Beijing s purchase of U.S. goods while addressing issues including intellectual property protections and forced technology transfers.
After striking the first phase of a deal, Trump in 2020 canceled an additional round of trade talks with China, on which he has placed full blame for the spread of the coronavirus pandemic.