Started in 1995 as a national project, CNKI has become the largest aggregator and distributor of academic digital resources in China. Since 1996, CNKI has built the China Integrated Knowledge Resources Database, integrating more than a dozen resource types, such as Chinese and foreign academic journals, theses & dissertations, conference proceedings, newspapers, patents, standards, reference works, and books. So far CNKI has integrated over 95% of Chinese academic resources. With over 25,000 institution users and over 20 million registered individual users, CNKI now provides comprehensive and customized services that cover a wide spectrum. CNKI has established copyright cooperation with over 200 international publishers, integrating over 50,000 journals on our cross-language search platform.