According to the national statutory holidays, the industrial and commercial bureau will go to work on the seventh day of the second year. Working hours on weekdays: The business hours of local industrial and commercial bureaus are slightly different, subject to the actual working hours of local industrial and commercial bureaus. The working hours of Beijing Administration for Industry and Commerce (Beijing Municipal Market Supervision Bureau) are 9:00- 12:00, 13:30- 17:00, except holidays.