Simple Learning Network.
Simple Learning Network was established in early 2007 by Beijing Simple Technology Co., Ltd. Simple Learning Network relies on the "CAT technology" developed by Peking University and is China's first interactive video online school. Relying on first-class teachers and relying on the national patented interactive classroom, it has developed rapidly and has now developed into the most professional video online school in China and the leading personalized video online school for middle schools in China.