中国航天科技集团
China Changfeng Mechanics and Electronics Technology Academy (中国长峰机电技术研究设计院) or China Changfeng, founded in 1957, is one of the four design academies under the China Aerospace Science and Technology Corporation (CASC). It is located on Yongding Road, in the western suburbs of Beijing, and employs more than 16,000 personnel.