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

1.Academic Search Ultimate (ASU) 

IEEE is currently the world's largest non-profit professional technical society, with over 450000 members in more than 160 countries worldwide.

Wanfang Data knowledge service platform includes journals, dissertations, conference papers, patents, standards and other types of scientific and technological literature.