2. You can't log in to the same app at two terminals at the same time. Please don't try. This is the permission set by the application software.

3. Founded in 2002, Hangzhou Bosch Data Network Co., Ltd. is located in Wisdom E Valley of Internet of Things Industrial Park in High-tech Zone (Binjiang). It is the first batch of national high-tech enterprises focusing on the research and development and application of educational information technology in China, providing Internet information technology services for primary and secondary schools. Its "Xueleyun" is the leading brand of K 12 education.

4. With the mission of "making education fairer and more quality", Xueleyun builds an integrated service system of "construction-application-operation" to provide services for the construction, operation and maintenance of basic teaching platforms, big data control centers and digital campuses. Make full use of information technologies such as artificial intelligence, cloud computing and big data to provide users with accurate and efficient services, and form an educational ecosystem for education authorities, schools, teachers, students and parents. It is the only educational big data platform in China that can support regions and schools to carry out normal applications.

5. Xueleyun has covered 3 1 province, 1 10,000 district and county education bureaus and10.2 million schools nationwide, providing "one-stop" education information services for more than 30 million teachers and students, attracting original investment teams represented by Didi Taxi, Jinshajiang Venture Capital, Haitong Securities Kaiyuan, Ruizheng Capital and Huaxin Century Investment Group.