0. By querying Baidu map, we know that there is a community, a park, an industrial zone and no village next to Shandong Weihai Rongcheng No.23 Nuclear Power Company. China Nuclear Industry 23rd Construction Co., Ltd. (hereinafter referred to as "China Nuclear Industry 23rd Company"), a subsidiary of China National Nuclear Corporation, is an important member of China Nuclear Industry Construction Co., Ltd. and was established on 1958. It is the largest comprehensive nuclear engineering installation enterprise in China and the only large enterprise in the world that has been engaged in nuclear island installation of nuclear power plants for nearly 40 years. It is a first-class construction general contracting enterprise approved by the Ministry of Housing and Urban-Rural Development and has the International Training Center for Nuclear Power Construction authorized by the United Nations International Atomic Energy Agency (IAEA). China Nuclear Industry Construction Co., Ltd., China Guangdong Nuclear Engineering Co., Ltd. and Hangzhou Guogaishuangbai Collaborative Equity Investment Partnership are the same investor. As a national high-tech enterprise, CNNC 23 also has a workstation of Beijing postdoctoral (young talents) innovation practice base.