Public security
HET UAVs are Chinese Unmanned aerial vehicles (UAVs) developed by Chengde Hawk Eye Technology Co, Ltd. (HET, 承德鹰眼电子科技有限公司), all of which have entered service with various Chinese law enforcement establishments. HET is a government-owned corporation of local Chengde Public security bureau, formed to carry out research and development work of public security and public safety technologies. Members of UAV development team of HET have previously serviced in the local police bureau, and developed Hawk Eye I and Hawk Eye II fixed-wing UAVs for police use, and the name Hawk Eye (Ying-Yan or Yingyan, 鹰眼) is adopted for the new company formed, as well as the new UAVs developed by the company with the same development team.