How many days' holiday is there in Aikelaite, Shaanxi?

Take three days off a week. According to the recruitment notice of Shaanxi Aikelaite New Materials Co., Ltd., the working hours of Shaanxi Aikelaite New Materials Co., Ltd. are four shifts and two shifts, with day shift 12 hours on the first day, night shift 12 hours on the second day, and the fourth day off on the third day, so three days can be repaired in a week.