1, professional organization. Haikou New Li Zhuo Education (Tension Mathematics) is an off-campus professional training institution for primary and secondary schools in Haikou, which has been running for 20 years.

2. Experienced. Teacher Zhang Li is from Huanggang, Hubei. After graduating from Normal University in the early 1990s, she has been engaged in teaching Olympic Mathematics in the Mainland for many years, leading students to participate in mathematics competitions at all levels and winning numerous awards.