Onion Math, the online math brand for primary and secondary schools, officially announced that it had completed its D round of financing in February, with a total amount of 300 million yuan, led by Chunhua Capital, followed by Kunlun World Wide and other old and new shareholders, and with Lightsource Capital acting as the exclusive financial adviser for the round. Yang Linfeng, co-founder and CEO of Onion Math, said that this round of financing will be used to increase investment in online course teaching research and development and the application of AI technology products, to comprehensively promote personalized and inclusive education with artificial intelligence.