The New York Times reported in 2020 on the bank account in China, and that it was linked to a business push there from Trump International Hotels Management. At the same time that Trump was running for reelection, he accused Democratic opponent Joe Biden of being China's so-called puppet.
Biden, however, has not received income from or done business with China, per his own disclosures and returns.
https://www.newsweek.com/full-list-trumps-foreign-bank-accounts-1770459