600 million. Beijing Hi-Learning Zhuoao Education Technology Co., Ltd., established on 20 16, is affiliated to Tianjin Manaslu, located in Beijing, and is an enterprise focusing on technology promotion and application services. According to official website, the company's annual sales in 2002/kloc-0 was 600 million yuan, an increase of 200 million yuan compared with 580 million yuan in 2020.