BBK family education machine: it is a tool to assist learning, and has the functions of intelligent answering questions, synchronous subject counseling, learning diagnosis and so on. Youxue School: It is a sub-brand of Nuoyazhou Education Electronics, a student tablet computer, a "cloud learning" technology platform and an application terminal, aiming at reducing the learning burden of students. Reading Lang: The main products are children's morning education machine, children's point reading pen, electronic building blocks, popular science world, student computer, point reading machine, video learning machine, student PDA, digital repeater and other nine product series. Reading Lang's products are in a leading position in the field of educational electronics, and it is one of the most powerful and influential manufacturers of e-learning products in China. Haojixing: It is recognized as the pioneer and leader of audio-visual education products inside and outside the industry, and the pioneer and leader of education services in the era of mobile Internet. It has maintained the leading position in the industry of students' e-learning products for 10 years, becoming the first mobile Internet education provider and service provider integrating "mobile Internet terminal development and online education services" in the industry.