the sim' assessment has been done to death, please read previous threads, mine was nearly 4 years ago but things don't really change much in china, if you are liked by the trainers pre sim you may get an easier ride, some have had easier rides recently and thats great. Smile, be friendly, courteous and then professional in the sim', you may be with a guy who has just done his basic 320 sim course and english isn't great so give yourself some time to adapt and remember they will give you altitudes to climb in metres
just for you
you do a company check ride then a CAAC check ride, expect either
1. dual hyd's, single eng', max x/wind to ils minimums
2. dual Rad' Alt fail, sinle eng', max x/wind to ils minimums (tricky)
3. dual FAC fail', single eng', max x/wind to ils minimums (tricky)
plus tcas gpws eng' fail V1 cut etc etc
all of this maybe with a new chinese FO with limited english and up to 5 people in the sim', translators etc
good luck