Exhibition hall introduction: focuses on important historical events such as the establishment of the East China Sea Special Branch, the Sanyuan Palace Conference, the Dancun riot, the defense of Lianyungang, the Battle of Baitabu, the Kuomintang Huang'an ship and the uprising of the third paratrooper regiment, highlighting Liu Shaoqi, Liu Ruilong, Li Chaoshi, Jiang Shangqing, Wan Yi, Gu Mu, Fu Zhuting and other important historical figures.