Chang Guang Satellite (also known as CGSTL), founded in 2014, is a commercial, remote-sensing satellite company in China.

CGSTL's products & services include satellite assembly and components, optical payload (space camera), satellite ground application system, satellite detecting equipment; satellite tracking, controlling and monitoring systems; remote sensing information and device maintenance services; technical consultation and services as well as other high-end customised products and services.

The company facility at Jixing building includes an optical processing area, a camera assembly and adjustment area, a satellite assembly test area, a camera radiation calibration area, an environmental test area, a stand-alone hardware production area and warehouse, etc. It has more than 200 large-scale equipment such as KM6000 space environment simulator, 1m aperture collimator, 42m high-performance air-floating vibration isolation platform, 20T electric vibration table, 1100 m3 high intensity sound reverberation chamber, and has the capacity of mass production of satellites. CGSTL is equipped with 400 high-level specialised technicians.

The company can provide customised services for environmental protection, agriculture, forestry, housing construction, water conservancy, transportation, civil affairs, surveying and mapping industries.

Flight heritage:

Jilin-1 satellite constellation is the core project under construction by CGSTL. It is composed of 138 high performance optical remote sensing satellites covering high resolution, large width, video and multi-spectrum. As of September 2021, CGSTL has successfully sent 30 Jilin-1 satellites into space through 12 launches. Jilin-1 constellation can visit any place in the world 9~11 times a day.

Company's Mission:

The company's mission is to serve the 7b population on the earth with our "Sky-Space-Earth integration" remote sensing information products & services by building an all-round remote sensing satellite constellation system covering conventional satellite imagery, dynamic satellite video, multi-spectrum and radar.