China outside of Hubei has a CFR under 1%, actually. And they sure as hell didn't test everyone or even 10% of those infected in Hubei.

They tested every single person in the country who showed up to a doctor with a fever.

No, they absolutely have not anywhere closed to the peak in Hubei. People with grave respiratory difficulties were given Kelatra and sent home.

Outside of Hubei and after the peak, sure.