Monday to Sunday 08: 00-2 1: 00. According to the propaganda information of Lanzhou Aiyi, Lanzhou Aiyi is a brand store that retails clothes. Its business hours are Monday to Sunday from 08: 00-2 1: 00, including the Spring Festival and other holidays throughout the year. Founded in 2004, IEF Ive is a young, fashionable, dynamic and personalized clothing chain brand, which mainly deals in "European, Japanese and Korean" fashion clothes, aged 18-38.