21AT / Century Space

Twenty First Century Aerospace Technology Co., Ltd. (Chinese: 二十一世纪空间技术应用股份有限公司, also known as 21AT or Century Space) is a Chinese commercial Earth observation company founded in 2001 in Beijing, and China's first commercial satellite imagery operator and service provider. The company operates a fleet of high-resolution optical Earth observation satellites and provides satellite imagery, geospatial data, and value-added geographic information system (GIS) services for land resources, agriculture, environmental monitoring, urban planning, and disaster response applications. 21AT's satellite fleet has progressed from Beijing-1 (4 m resolution, 2005) and the TripleSat/Beijing-2/DMC-3 constellation (0.8-1 m, 2015) to Beijing-3A (0.5 m pan/2 m MS, 2021, with onboard AI for autonomous path planning), Beijing-3B (0.3 m resolution, 2022), and the Beijing-3C constellation of four satellites launched in 2024. The company has raised approximately $90 million from investors including Beijing Industrial Investment, SDIC Venture Capital, Tsinghua Holdings Capital, and CITIC Guoan, and is pursuing a main board IPO with CITIC Securities and CICC as underwriters.