You have to burn carbon to build renewable energy components if you don't have enough energy from existing solar + wind; I don't know what you expect. But now they have ~500GW of energy to build next year's >>500GW [1]. It's an investment and every year it pays off.

China's emissions peak wasn't supposed to happen this decade but that has been revised [2]

1: https://www.reuters.com/world/china/chinas-solar-capacity-ex...

2: https://www.reuters.com/world/china/chinas-carbon-emissions-...