The third floor to the fifth floor. According to the introduction of local treasures in Lanzhou, the third and fifth floors of the wholesale market in eastern Lanzhou are clothing boutique areas with good quality and higher prices than clothes on other floors. Lanzhou, referred to as "Lan" and "Gao" for short, and called Jincheng in ancient times, is a prefecture-level city, provincial capital and I-type big city under the jurisdiction of Gansu Province.