Saudi Arabia and China showcased deepening ties with a series of strategic deals on Thursday during a visit by President Xi Jinping, including one with tech giant Huawei.
Demonstrators poured into the streets over the weekend in cities including Shanghai and Beijing, criticizing the policy, confronting police — and even calling for Xi to step down. Students at some universities also protested.
The vice president reinforced Biden's message that "we must maintain open lines of communication to responsibly manage the competition between our countries", the official said on condition of anonymity.
Biden smiled as Xi greeted the US leader with a "good to see you", kicking off what is expected to be two hours of intensive talks.
The meeting is "currently confirmed", the spokesperson said in a message. It will be their first meeting in person since 2019, although they spoke by telephone in 2021.
Biden said he goes into Monday's encounter on the sidelines of a G20 summit in Indonesia stronger after his Democratic Party's unexpected success in midterm elections they were forecast to lose heavily.
The virtual summit lasting over two hours took place as Beijing and Washington increasingly risk open conflict over the self-ruling island, which China considers part of its territory.
The meeting of the eight-nation Shanghai Cooperation Organization comes at a time when Putin is isolated abroad following his invasion of Ukraine. Beijing's relations with Washington, Europe, Japan and India are strained by disputes over technology, security and territory.
Sitting across from each other at two long rounded tables and flanked by aides, the two leaders met on the sidelines of a summit of the Shanghai Cooperation Organisation (SCO) in ex-Soviet Uzbekistan.
Tokayev’s government said the two leaders would discuss energy and trade. Kazakhstan, a sparsely populated country of 19.4 million people and sprawling grasslands, is a major oil and gas producer. China is a leading customer.