The core layout of first-tier cities, with emphasis on penetrating the second-and third-tier markets, has now gone deep into Beijing, Shanghai, Guangzhou, Shenzhen, Tianjin, Chongqing, and other places. Located in Guangdong, Zhejiang, Jiangsu, Fujian, Anhui, Henan, Shandong, Hebei, Hunan, Sichuan, Yunnan, Gansu, Ningxia, Shaanxi, Qinghai, Inner Mongolia, Liaoning, Jilin and Heilongjiang provinces