kong lingqin. Qingdao Ruiyuan New Age Property Service Co., Ltd. was established on May 2, 2121. The legal representative is Guan Hongqing and the project manager is Kong Lingqin. It is located in Wang Sha Road, Xifu Town Street, Chengyang District, Qingdao, Shandong Province, and its industry is real estate. Qingdao, also known as Island City, Qindao and Jiaoao, is a prefecture-level city, a sub-provincial city, a city with separate plans and a megacity under the jurisdiction of Shandong Province, China. Located in the south of Shandong Peninsula.