Monday to Friday 9: 00 am, 65438+ 0: 00 pm. The health certificate of Weihai Huancui Building is open from 9:00 am to11:00 pm and 1:00-3:00 pm from Monday to Friday, so the working hours are 9: 00 pm and1:00 pm from Monday to Friday. Weihai is a municipality under the jurisdiction of Shandong Province, located in the east of China, at the eastern end of Shandong Peninsula, and bordering the Yellow Sea on three sides.