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.

Headquartered in Hershey, Pennsylvania, IGI Global is a leading international academic publisher committed to facilitating the discovery of pioneering research that enhances and expands the body of

The IOP ebooks™ collection brings together innovative digital publishing with leading authors from across the physical sciences.

爱学术（iresearch）是中国教育图书进出口有限公司打造的外文原版电子书库，作为本地化的集成平台，旨在汇聚世界领先出版社的优质电子图书资源，为读者提供丰富的外文学术研究参考文献，平台具备英文阅读过程中的标注、翻译等辅助功能，能让英文阅读更加便利。

Beijing Wanwu Keledge Tech.

Springer Nature eBooks contain 21 subject packages in Chemistry & Materials, Computing, Energy, Intelligent Technology & Robotics, Earth & Environment, Engineering, Mathematics & St

Taylor & Francis eBooks hosts a range of award-winning digital resources, covering all major subject areas and sub-disciplines.

Founded in the United States in 1807, Wiley is a globally recognised publisher with a history of more than 200 years of providing essential knowledge and services to professionals, researchers, edu

中文在线（www.ChineseAll.com）2000年成立于清华大学，是中国网络出版的开创者之一，为国内最领先的正版数字内容传播机构。