The Ningxin-1 satellites (also called Zhongzi) are a series of Chinese commercial remote sensing satellite owned by Ningxia Jingui Information Technology Co. Ltd. The satellites were built by DFH Satellite Co. Ltd of CAST. They have been reported to be a commercial operated global EM spectrum signal monitoring satellite system (SIGINT).
Low Earth OrbitTianlian 1, also known as Tian Lian 1, TL-1, and CTDRS-1 is a Chinese data tracking and relay communications satellite series. Based on the DFH-3 satellite bus, it will provide communication coverage for manned Shenzhou missions, from Shenzhou 7 onwards. Functionally, it is similar to the United States Tracking and Data Relay Satellite System.
Geostationary Transfer OrbitA batch of 36 satellites for the OneWeb satellite constellation, which is intended to provide global Internet broadband service for individual consumers. The constellation is planned to have around 648 microsatellites (of which 60 are spares), around 150 kg each, operating in Ku-band from low Earth orbit.
Polar Orbit