According to Baidu Encyclopedia, the tutorial class of Ding Jian in Lanzhou has a strong faculty and a high level of teachers, all of whom have undergone professional training and strong teaching ability.

Ding Jian Tutorial School in Chengguan District of Lanzhou was established on 1998. It consists of a well-known teacher and an expert who has been engaged in primary and secondary education research for many years. After more than ten years of visits, research, practice and summary in Beijing, Shanghai, Shandong, Xi and other cities, it is the choice of curriculum guidance for primary and secondary schools with students' successful experience, parents' sincere trust and more than ten years of education.