Of course, there is after-sales service: Noah Education Holdings Co., Ltd., established in 2004, is a leading educational service provider in China, focusing on providing high-quality preschool education, basic education and supplementary education for children and adolescents aged 2- 18. With advanced educational management concepts, Noah Week integrates advanced educational resources and methods at home and abroad to stimulate students' learning potential, provide students and parents with the best educational services, and cultivate internationally competitive talents. Its products cover point reading machines, student computers, tablet computers, learning machines, electronic dictionaries and so on. Noah is committed to becoming the first brand of preschool education and basic education services in China.