ECOJ features over 234 English journals published in China, covering influential journals indexed by SCI, EI, CA and Medline. Subject coverage includes: Agricultural Science, Chemical Engineering, Chemistry, Chinese Medicine, Environmental Science, Health & Medical Science, Mathematics, Physics, and Social Sciences.

Time Coverage: from 1998 onwards
Number of Titles: 
- SCI-indexed: 93
- EI-indexed: 51
- CA-indexed: 109
- Medline-indexed: 30