Fit. Tsinghua Tongfang a 10 1 1 Intelligent Tutoring Machine is the education of middle schools, vocational high schools, key high schools and secondary vocational schools, so Tsinghua Tongfang A10/Intelligent Tutoring Machine is suitable for high school students. Tsinghua Tongfang, founded in 1997, is one of the top ten brands of intelligent tutoring machines. It is a technology company specializing in the research, development, production, sales and service of computer-related products and peripheral equipment.