"The talks between the PRC and the United States were frank, constructive and useful," Jiechi was quoted as saying by CGTN.
He noted that there are still disagreements between the parties.
According to Chinese Foreign Minister Wang Yi, the Chinese side made it clear to the United States that sovereignty is a matter of principle.
Earlier, US President Joe Biden, against the background of negotiations between high-ranking Chinese and US diplomats in Alaska, calculated how much time he spent alone with Chinese President Xi Jinping.