On a brighter note I've recently managed to get fapiao from Uber Shanghai for rides I took in both Shanghai and Beijing, and for UberX and People's Uber rides. I got it by kuaidi two days after requesting online.

I'd taken a closer look at their emailed receipts and saw in the fine print that People's Uber rides don't qualify for fapiao cos they're a ride-sharing thing and Uber doesn't profit from it. Also Beijing and Shanghai Ubers technically have separate fapiao issuing entities, but they were willing to allow me to combine things into one.

Good on you Uber!