Astro-century Education&Technology Co.,Ltd, together with its subsidiaries, engages in the planning, design, production, and distribution of educational supplementary books for the K-12 basic education stage in China. The company publishes various educational books for primary, junior high, and senior high schools, including high school synchronous and review series, junior high school synchronous and comprehensive review series, primary school synchronous series, lesson plan series, special projects, Chinese language and literature series, textbooks, and children's picture books. It also provides supplementary teaching material services, as well as technical and consultation services. The company offers its products under the Zhihong Optimization and Hong Chinese brands through online subscriptions, direct sales, and e-commerce platforms. In addition, it engages in educational information services; investment platforms; live streaming and e-commerce; educational services; property management; information technology consulting; software services; and education industry research and exchange activities. The company was formerly known as Shandong Astro-Century Education & Technology Co., Ltd. and changed its name to Astro-century Education&Technology Co.,Ltd in August 2018. Astro-century Education&Technology Co.,Ltd was founded in 1994 and is based in Zibo, China.