The last eight digits on the ID card. Huludao Library is a comprehensive, open and multifunctional modern city center public library integrating reading, information exchange and cultural leisure. The library wifi needs to open a library card, and then go to the service desk to activate it. The initial password for accessing the Internet is the last 8 digits on your ID card. The new library of Huludao City provides readers with intelligent and convenient services such as literature inquiry, digital reading, self-registration, self-borrowing and returning by using advanced technology and full coverage of wireless network.