9:00 a.m. to 21:00 p.m. According to the query of the public review information, Lanzhou East Lake Plaza's business hours are from 9:00 a.m. to 21:00 p.m. It is a set of recreation, entertainment, fitness, sightseeing, shopping, culture, performing arts and catering, etc., and other functions in one of the comprehensive activities, but also Lanzhou City, one of the larger leisure plazas.