1. According to the relevant regulations of the State General Administration of Press and Publication, primary and secondary school textbooks must be printed by a green printing enterprise with a publication printing license, and the printing factory will be a primary school textbook math book. Textbooks reflect the will of the country and are the main carrier of knowledge dissemination.

2. The construction of teaching materials is related to national interests and is a state power. Compared with ordinary books, the state has strict requirements on the printing qualification and distribution channels of primary and secondary school textbooks.