On February 11, Shengang securities issued a research report entitled “winning the bid for the new park project of rookie network headquarters, and the territory of Ali department project continues to expand”, which gave a buy rating of Shenzhen Sdg Service Co.Ltd(300917) (300917.sz, latest price: 29.52 yuan). The reasons for rating mainly include: 1) Alibaba’s territory continues to expand; 2) Alibaba group is the second largest customer of the company; 3) The general election of the company was completed and the management remained stable. Risk tips: the risk of business expansion is less than expected, the risk of property management fee reduction, and the risk of repeated epidemic.