Qingdao Ward Supreme Enterprise Co., Ltd. has built a building in the Qingdao Baoyu Cultural Square project on Dunhua Road, but it has not been renovated for more than a year. By the end of June, 2022, Qingdao Gemstone Building was taken over by Qingdao Ward Supreme Enterprise Co., Ltd., also known as Island City, Qingdao and Jiaoao. It is a prefecture-level city, a sub-provincial city, a city with separate plans and a megacity under the jurisdiction of Shandong Province, China.