China Aerospace Science and Technology Corporation
 The China Aerospace Science and Technology Corporation (中國航天科技集團公司)(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.