Introduction to the Centennial Industrial and Commercial Archives Exhibition Hall: Above the second floor of Building 7 is the Changzhou Archives Expo Center. The center has opened an exhibition hall of more than 4,000 square meters. The second floor is the Changzhou Centennial Industrial and Commercial Archives Exhibition Hall. Through old archives, old equipment, Laoshiwu truly reproduces the development trajectory of Changzhou's industry and commerce from scratch, from weak to strong, and demonstrates Changzhou's economic glory today and development prospects for tomorrow. There is also the "Student Growth Archives Experience Hall" on the third floor, which provides primary and secondary students with distinctive themes. A place for highly participatory social practice activities.