When does the operator of Yili auxiliary machine go to work?

At 7: 30am, according to the inquiry of official website recruited by Yili, the working hours of Yili auxiliary machinery operators are 7: 30am every morning and evening, with three shifts and 24 hours off on 12. After becoming a full member, there are two shifts per month (shifts do not affect full attendance), and 18 shifts per month.