1. Corporate background: Tu Tu Classroom is a subsidiary of He Yue Group, a company listed on NYSE, focusing on online education of k 12. He Yue Group enjoys a high reputation in the field of online education in China, and its business covers primary and secondary school courses, vocational education and other fields. From the enterprise background, Tu Tu's classroom is highly credible.

2. Teaching mode: Tu Tu adopts the teaching mode of "teaching in large classes, teaching in small classes, and personal experience". This model provides students with a personalized learning experience through the combination of big data, artificial intelligence and online education. In addition, Tu Tu Classroom also provides teaching guidance function to help students study at any time and anywhere and strive to improve their grades.

3. Tu Tu Class is a private non-enterprise online training school approved by Beijing Civil Affairs Bureau and sponsored by Beijing Education Commission. The organization is committed to providing online course services from primary school to junior high school for students aged 6 to 15.