Changguang Satellite (CGST)

Changguang Satellite Technology Co., Ltd. (CGST, 长光卫星技术股份有限公司) is a Chinese commercial remote sensing satellite company headquartered in Changchun, Jilin Province, founded in 2014 as a spin-off from the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences, operating the JiLin-1 (吉林一号) commercial Earth observation satellite constellation — China's largest commercial EO satellite constellation — with over 100 optical satellites providing sub-metre resolution imagery and high-frame-rate video to commercial and government customers. The JiLin-1 constellation provides panchromatic and multispectral imagery, high-definition video, wide-area coverage, and night imaging services marketed globally through the jl1global.com platform, serving agriculture, forestry, maritime monitoring, urban planning, disaster response, and national security applications. As China's pioneer commercial Earth observation company, CGST serves government agencies, mapping organisations, resource monitoring bodies, and international commercial imagery customers requiring affordable high-resolution satellite data from a large, continuously expanding constellation.