https://www.visaforchina.cn/DEL3_EN/tongzhigonggao/327343163...
And to be clear, this is not the previous restricted "X hours transit, don't leave the city" thing, but a full blown 30 day entry permit valid for the entire country (minus Tibet), any port of entry, any port of departure.
Yes, this is a massive departure from their previous policy, but yes, it's real. Having also gone through the regular China visa process multiple times in the past, I could hardly believe it myself when I used it earlier this year.