China Spacesat Co.,Ltd. engages in the aerospace manufacturing and aerospace technology applications businesses in China and internationally. The company develops and sells small and micro satellites, such as CAST10, CAST20, CAST2000, CAST3000, CAST4000, and other small/small satellite public platforms. Its satellite products also include optical remote sensing, electromagnetic and microwave remote sensing, and science and technology testing products. In addition, the company is also involved in the integration of satellite ground application systems; and manufacture of terminal equipment and the provision of satellite operation services. Its products and services are used in the fields of communications, satellite navigation, satellite remote sensing, cloud computing and information security, and smart cities, as well as national defense and economic construction, social development, etc. The company operates under the Aerospace Dongfanghong, Aerospace Star, and Shenzhen Dongfanghong brand names. The company is based in Beijing, China. China Spacesat Co.,Ltd. is a subsidiary of China Aerospace Science and Technology Corporation.