An authority: the first-line specially invited senior teachers write articles, and hundreds of well-known key schools and authoritative teaching and research institutions help out.

B comprehensive: covering all grades, grades and versions of primary and secondary schools in China.

C brand-new: more than 3000 sets of new resources are added every day, and the capacity reaches 2T.

Convenience: complete data classification and convenient data retrieval.

E-major: the website has a professional technical development team and management team, and more than 500 first-line super senior teachers across the country strictly review and check the uploaded materials.

F focus: focus on the construction and improvement of primary and secondary education resource database in a professional spirit, and do not set foot in other products. We firmly believe that "concentration leads success" and are determined to be the "best primary and secondary education resource pool" in China.