Title 中国国家书目 (China National Bibliography)
Web site address http://olcc.nlc.gov.cn/proserv-sjkjs-zggjsm.html
Start date Began 1998
Period covered 1911 to date
Current size 2.3 million
Media covered Printed books or serials.
General selection criteria Chinese printed publications published in China
Selection criteria for digital resources No.
Exclusions policies applied Digital resources, grey literature, pamphlets, etc.
Primary organisation responsible for national bibliographic control National Library of China
Web site address of national bibliographic agency http://www.nlc.gov.cn/
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 bibliographies Separate database for different materials types, such as monographs, serials and rare books
Sources of bibliographic metadata used to produce national bibliography Major 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 arrangements 70% of records are based on legal deposit copies and 30% from other sources
Relationship to national Cataloguing in Publication (CIP) programme CIP 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 metadata Z39.50
Metadata enhancements offered via online services No
Web 2.0 services offered No
Frequency of service updates Daily
Target audiences for services Members 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 services Cost recovery policy. NBA is considering a free service in the future
Availability of metadata for re-use Yes
Metadata formats CNMARC, which is based on UNIMARC
Cataloguing code Chinese Cataloging Rules (Based on ISBD and AACR2)
Levels of description offered Full level (including subject indexing and authority control)
Subject standards Classified Chinese Thesaurus
Name authority standards Chinese Cataloging Rules
Is NBA affiliated to IFLA SC? Yes – Cataloguing Section