Shangguan of Onion Academy, formerly known as Shangguan. According to relevant public information, the Onion Academy, formerly known as Onion Mathematics, is a K 12 online education brand with a full range of courses covering primary school, junior high school and senior high school. From 2065438 to April 2009, with the participation of new and old shareholders such as Chunhua Capital, Kunlun Wan Wei, Fengrui Capital, Junlian Capital, etc., we completed the D round of financing of 300 million yuan.