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Changguang Satellite Technology’s first optical satellites, launched in October 2015, had masses of 420 kg.
Chang Guang Satellite Technology Co. Ltd. (CGSTL) aims to send 20 satellites into orbit 2019 as part of a plan to construct a constellation of 138 remote-sensing satellites in low Earth orbit.
CASIC launched Jilin-1 remote sensing satellites for Chang Guang Satellite Technology Co. Ltd. using its Kuaizhou-1A launcher in January 2017 and September 2018.
Chang Guang Satellite, based in Changchun, China, is developing the Jilin-1 optical and video satellite constellation.