2. China Maritime Safety Administration: it is an administrative unit directly under the Ministry of Transport of the People's Republic of China. Implement a vertical management system, and perform administrative law enforcement duties such as water traffic safety supervision and management, inspection and registration of ships and related water facilities, prevention of ship pollution, and navigation safety. It is called the Maritime Safety Administration of the People's Republic of China externally and the Maritime Safety Administration of the Ministry of Transport internally;
3. Jiangsu: It is a provincial administrative region of People's Republic of China (PRC), referred to as "Su" for short. The capital Nanjing is named after the initials of "jiangning house" and "Suzhou House". Located in the eastern coastal center of Chinese mainland, at the lower reaches of the Yangtze River, it crosses the Yangtze River and Huaihe River, and the Beijing-Hangzhou Grand Canal passes through it. Jiangsu has four major multicultures: Jianghuai, Jinling, Wu and Zhongyuan. It is one of the birthplaces of ancient civilization in China, and "Wu Han Yun Feng" is the characteristic of Jiangsu culture.