Diandian is a famous supplementary teaching material edited by Rong and has become one of the favorite teaching materials for teachers, parents and students. Annual sales hit a record high.

Rong is an entrepreneur specializing in the planning, editing, auditing and distribution of supplementary books, mainly serving junior and senior high school students and teachers. Founded in 1995, the company expanded its scale from 1997, devoted itself to the planning and editing of supplementary books and expanded to the front of book publishing. Under the leadership of Mr. Rong, the company's employees have won the recognition of the teaching and auxiliary circles in China, and more importantly, the recognition of the teachers and students all over the country, which has been well received by people in the industry. At the same time, readers from different fields have given us valuable feedback and strong support. With our unremitting efforts and the strong support of readers and friends, Rong has grown into a big tree in today's teaching and auxiliary industry.