Centroid Education is an online education company focusing on educational content and educational technology. They provide high-quality, free competitions and popular science education knowledge, as well as efficient online learning solutions. The company was established in July, 2065438+2005, and its service scope covers all ages and difficulty requirements such as competition and strong foundation. Their students are distributed in 2/kloc-0 countries and regions, covering 3/kloc-0 provinces, serving more than 3,000 schools with more than one million students.