Xi is probably promising investment and $$$ to sweeten the pot. The thing about Xi and a autocratic regime like China is he can make hard promises.Xi and Zelensky talk on the phone. Not sure what to make of it, but Xi seems to be pushing for negotiations.
Chinese leader Xi Jinping appealed for negotiations between Russia and Ukraine in a phone call Wednesday with Ukrainian President Volodymyr Zelenskyy, warning “there is no winner in a nuclear war,” state media said, in a long-anticipated conversation after Beijing said it wanted to act as peace mediator. Xi's government will send a “special representative” to Ukraine for talks about a possible “political settlement,” said a government statement reported by state TV.
Western aid and support is fungible and susceptible to political change. We aren't good at long haul commitments in the west...
Ukraine just has to look at the promises that were made and weren't kept when they gave up their nukes.