U.S. Treasury Secretary Janet Yellen arrived in Beijing on July 6, 2023, for her first visit under the Biden administration.Mark Schiefelbein | Afp | Getty ImagesAfter a high stakes four-day trip to China, U.S. Treasury Secretary Janet Yellen said she had a “constructive visit” and a “very substantive series of meetings” with Chinese officials about the state of the global economy, export controls and national security.Yellen’s trip is part of ongoing efforts to stabilize U.S.-China relations after months of escalating tensions. Her visit came just weeks after Secretary of State Antony Blinken’s visit last month.These efforts could ultimately pave the way for a meeting between U.S. President Joe Biden and Chinese President Xi Jinping on the sidelines of the G-20 leaders’ summit in New Delhi in September and the APEC leaders’ summit in San Francisco in November. Both leaders last met in Bali last year.”We have a new team on the economic side in Beijing, that it’s important to establish person-to-person relationships, and to open ongoing channels of communication, where concerns can be aired and discussed,” Yellen told CBS’ “Face the Nation” Sunday. “And I do think my trip has been successful in for …