China National Knowledge Infrastructure is a key national e-publishing project of China started in 1996. Approved by the Press and Publications Administration of PRC and backed by Tsinghua University, CNKI project started with a e-journal product and later further expand the product line to cover newspapers, dissertations, proceedings, yearbooks and reference works and etc. CNKI is a symbol of Chinese e-publishing industry, which greatly boosted the Chinese library systems to go digital and helped researchers with their work. So far CNKI academic databases have been serving more than 5,500 universities, public and corporate libraries, hospitals and other institutions inside and outside China.

Delhi University Library System subscribes only to China Core Newspapers Database (CCND) with 1000 titles, since 2000 onwards. It contains a total record of  5,845,314  entries.