Baidu Encyclopedia shows that Qingdao International Investment Co., Ltd. (Qingdao SDIC) was incorporated in Qingdao Administration for Industry and Commerce on May 24, 20 13. The legal representative is Zhang Shibin, and the company's business scope includes foreign investment and operating its own funds; Investment and construction of urban and rural infrastructure projects. The company type is a state-owned holding limited liability company.

State-owned holding enterprises refer to enterprises whose state capital shares account for a relatively high proportion of the total capital of enterprises and are actually controlled by the state. Including absolute holding enterprises and relative holding enterprises. State-owned absolute holding enterprises refer to enterprises with more than 50% (including 50%) of state-owned capital, including state-owned enterprises that have not been restructured.