But, China is a centrally planned economy. Every centrally planned economy died (or went into a state so bad people starve, like North Korea) because it gives higher ups an incredible incentive to lie about everything. This is made easy by the fact that centrally planned economies suppress dissent.
(flips over random stuffs nearby) ... yep it can't happen. It never happened.
These plans mostly drive capital allocation. It's not like the USSR's GOSPLAN, which actually set production quotas for factories. That worked badly, especially with a one-year update cycle.
Also we're in 12g surveillance state era, central gov can soon monitor every production line and get granular metrics via variety of oblique indicators, we're a few years away from heaven is high and the emperor is far away, to camera and microphone is in your face and emperor is omnipresent because every thing a bureacrat says will be cross checked by sensors and llm. The thing about centralized power is it actually cares about truth (which is orthogonal to suppressing it) because ultimately their heads on the line.
VS US polity where polticians lie and no one really gives a shit, this is made easy by the fact that democracy basically means government by the people of the people for the people. But the people are retarded and fundmentally they don't care enough that higher ups have incredible incentive to lie about everything.