XPNAV-1 (X-Ray Pulsar Navigation) is the first ever satellite to test the technology of spacecraft navigation by using signals from X-ray pulsars. It is launched along with the Xiaoxiang 1 cubsat and several other small satellites.
The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.INFO WIKI