In this photo released by Xinhua News Agency, Chinese President Xi Jinping, right, meets with White House national security adviser Jake Sullivan at the Great Hall of the People in Beijing, capital of China, Thursday, Aug. 29, 2024. (Li Xueren/Xinhua via AP)

White House national security adviser Jake Sullivan, left, accompanied by U.S. Ambassador to China Nicholas Burns meets Chinese President Xi Jinping, accompanied by China's Foreign Minister Wang Yi at the Great Hall of the People in Beijing, China Thursday, Aug. 29, 2024. (Trevor Hunnicutt/Pool Photo via AP)

White House national security adviser Jake Sullivan, second from left speaks near U.S. Ambassador to China Nicholas Burns, third from left, during a meeting with Zhang Youxia, Vice Chairman of the CPC Central Military Commission, unseen, at the Bayi building in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan, Pool)

Zhang Youxia, Vice Chairman of the CPC Central Military Commission, right, attends a meeting with White House national security adviser Jake Sullivan, unseen. during a meeting at the Bayi building in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan, Pool)

Zhang Youxia, Vice Chairman of the CPC Central Military Commission, second from right, holds a meeting with White House national security adviser Jake Sullivan, second from left. during a meeting at the Bayi building in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan, Pool)

White House national security adviser Jake Sullivan, left walks past Zhang Youxia, Vice Chairman of the CPC Central Military Commission at right before a meeting at the Bayi building in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan, Pool)

Zhang Youxia, vice chairman of the CPC Central Military Commission, right, shakes hands with White House national security adviser Jake Sullivan before a meeting at the Bayi building in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan, Pool)

White House national security adviser Jake Sullivan speaks during a press conference at the end of his visit at the U.S. embassy in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan)

Zhang Youxia, vice chairman of the CPC Central Military Commission, right, shakes hands with White House national security adviser Jake Sullivan before a meeting at the Bayi building in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan, Pool)

White House national security adviser Jake Sullivan, left, and Chinese President Xi Jinping shake hands at the Great Hall of the People in Beijing, China Thursday, Aug. 29, 2024. (Trevor Hunnicutt/Pool Photo via AP)

Zhang Youxia, Vice Chairman of the CPC Central Military Commission, fourth from right holds a meeting with White House national security adviser Jake Sullivan, fourth from left. at the Bayi building in Beijing, Thursday, Aug. 29, 2024. (AP Photo/Ng Han Guan, Pool)

White House national security adviser Jake Sullivan, rear left, accompanied by U.S. Ambassador to China Nicholas Burns meets Chinese President Xi Jinping, center, accompanied by China's Foreign Minister Wang Yi at the Great Hall of the People in Beijing, China Thursday, Aug. 29, 2024. (Trevor Hunnicutt/Pool Photo via AP)