The main duties of Maanshan Library are: to preserve the borrowed books and materials and promote social, economic and cultural development. Editing and storage of books, documents, newspapers and periodicals, audio-visual materials, borrowing of books and materials, library science research, editing and publishing of books, periodicals and materials, knowledge training and social education. Provide personalized services, virtual reference services, video-on-demand services, distance education services, cultural resources, engineering services and decision-making consulting services. Maanshan Library was formally established in June 1974+1October19, and * * * has gone through five development stages.