At least there is labor and health insurance.
Housekeeping department: clock in for work, but you are responsible for finishing the job after hours, with no overtime pay or any additional allowances.
If you haven't finished your work by the end of your shift, they will make sarcastic remarks. Work assignments are unreasonable and unfair.
They ask you to come back on your days off for meetings and odd jobs. If you don't cooperate, you will face various verbal threats. You will also be threatened if you cannot accommodate changes to your days off.