Not for sale. Heilongjiang Provincial Library is one of the earliest provincial public libraries in China. It is a multi-functional public cultural service institution that is open to the society and provides books, newspapers and periodicals borrowing and reference services. It is an important part of the construction of public cultural service system in Heilongjiang Province. It plays a variety of functions, such as preserving human cultural heritage, transmitting scientific information, carrying out social education, providing cultural entertainment and so on. It is an important window to show human resources and cultural exchanges with foreign countries in Longjiang.