Hello, Miss Zhang Ruixin. Sichuan Normal University, a famous mathematics teacher in the prosperous times, is also the teaching and research work of Olympic mathematics in primary schools. Excellent coach of China Cup. Junior high school students won the second prize in the national middle school students' mathematics competition and the third prize in the Chinese physics Olympic Games. Chen Chen Cai Ying is a discipline training institution focusing on primary school, junior high school and senior high school. Led by a famous teacher from Peking University, it has a brand-new real-time professional teaching system and stable students, and aims to provide students with professional teaching services in mathematics, English, physics, chemistry, Chinese and other teaching subjects.