Founded in 1947, ACM (Association for Computing Machinery) is the world's oldest and largest computer education and research institution.

The BOOKAN Journal Database mainly includes more than 40 categories and over 4,000 mainstream and best-selling humanities journals covering Party and government affairs, current affairs, military a

CNKI is online publishing platform for achievements of CNKI project. It is Chinese knowledge information gateway website with complete resource types and comprehensive content.

The China Dissertations Database, established in 1980, has an annual increase of over 420000 articles, covering various disciplines such as basic science, science, industrial technology, humanities

The CXSTAR E - book Platform is developed by Beijing CXSTAR Information Technology Co., Ltd. This platform has in - depth cooperation with publishers.

Superstar Group, established in 1993, is the world's largest provider of Chinese digital book resources.

De Gruyter, an independent academic publisher, has a long history of over 270 years, with publications covering humanities, social sciences, science, technology, mathematics (STM) and law.

De Gruyter, an independent academic publisher with over 270 years of history, covers a wide range of disciplines including humanities, social sciences, science, technology, mathe

EBSCO is one of the earliest companies in the world to launch an online full-text database retrieval system.

Engineering Village's databases, including Compendex and Inspec, are deeply-indexed and managed by domain experts.