Monday to Friday, 8:00-20:00 in the day shift and 20:00- 8:00 in the night shift. According to the work schedule issued by Baoshan Longji Silicon Materials Co., Ltd., the production post is three shifts, two shifts, 24 hours rest, 12 hours. Working hours are 8:00-20:00 on the day shift and 20:00- 8:00 on the night shift from Monday to Friday.