Title中国国家书目 (China National Bibliography)
Web site addresshttps://www.nlc.cn/web/index.shtml 
Start dateBegan 1998
Period covered1911 to date
Current size2.3 million
Media coveredPrinted books or serials.
General selection criteriaChinese printed publications published in China
Selection criteria for digital resourcesNo.
Exclusions policies appliedDigital resources, grey literature, pamphlets, etc.
Primary organisation responsible for national bibliographic controlNational Library of China
Web site address of national bibliographic agencyhttps://www.nlc.cn/web/index.shtml
Co-operative structures or  relationships supporting the production of the national bibliography Online Library Cataloging Center obtains records from its member libraries in China, with few relationships with ISBN and ISSN agencies
Single integrated or multiple categorised bibliographiesSeparate database for different materials types, such as monographs, serials and rare books
Sources of bibliographic metadata used to produce national bibliographyMajor part from National Library of China, some parts from member libraries of the Online Library Cataloging Center, which is located in NLC
Relationship to national legal deposit legislation or voluntary deposit arrangements70% of records are based on legal deposit copies and 30% from other sources
Relationship to national Cataloguing in Publication (CIP) programmeCIP records are prepared by another institution under another government department, and CIP records are not included in national bibliographic services
Media & format options MARC exchange file
Access options to national bibliographic metadataZ39.50
Metadata enhancements offered via online servicesNo
Web 2.0 services offeredNo
Frequency of service updatesDaily
Target audiences for servicesMembers of the Online Library Cataloging Center under National Library of China
Uses made of  services offered Derived cataloguing, retrospective conversion, etc.
Pricing policy for national bibliographic servicesCost recovery policy. NBA is considering a free service in the future
Availability of metadata for re-useYes
Metadata formats CNMARC, which is based on UNIMARC
Cataloguing codeChinese Cataloging Rules (Based on ISBD and AACR2)
Levels of description offeredFull level (including subject indexing and authority control)
Subject standardsClassified Chinese Thesaurus
Name authority standardsChinese Cataloging Rules
Is NBA affiliated to IFLA SC?Yes – Cataloguing Section