Deji Plaza is located in the Nanjing Xinjiekou business district. It is one of the top shopping malls in China and has many international first-line brands. In 2015, the turnover of Deji Plaza ranked first nationwide. The success comes from the close cooperation and refined operation between the shopping mall management team and the tenants. Therefore, real-time understanding of the real operating conditions of tenants has become the key to the rapid development of enterprises.