Theme network. The educational resources of the subject network cover the full version of all subjects in junior and senior high schools, serve more than 40,000 primary and secondary schools and 40 million member users nationwide, and cooperate with more than 95% of the top 100 schools and provincial key schools in depth. The company supports open cooperation modes such as resources, channels and data, and cooperates with partners from all walks of life to provide users with a better wisdom education experience.