9:00 a.m. to 7:00 a.m. the next day. Haidilao brand was founded in 1994 in Jianyang, Sichuan Province, since 1999, gradually develop Xi'an, Zhengzhou, Beijing and other markets. According to the query of the official website of Haidilao, the business hours in some areas are from 9:00 a.m. to 7:00 a.m. the next day. The main business scope of Haidilao is: catering management, business management services, cigarettes, cigar sales.