Does Guangxi Nanning Binyang Gas Company work on Sundays?

Guangxi Nanning Binyang Gas Company works on Sundays. Specific working hours: Monday to Friday, 8:30 to 12:00 in the morning, afternoon: 14:30 to 18:00 in spring and autumn, 14:00 to 17:30 in winter, 15:00 to 18:30 in summer, Saturday , there are IC card gas sales and maintenance personnel on duty on Sundays and holidays, and 24-hour on-duty staff are available at the business offices in each jurisdiction.