Medical in Beijing,all day.Work Visa medical in Tianjin,one hour.Atp exam, 2 1/2 hrs unless you have a power cut towards the end with no backup,then 6hrs plus
Simulator ride which is a pre check for your CAAC ATP check which you do when you come back next time.
No interview as such,tick all the boxes and you get asked to come back for your CAAC ATP check in the sim so you can get your licence.
All the information you need to pass the exam is provided by the agencies.
Going thru the process at the moment so that is all the info I have