An unmanned aerial vehicle (UAV), commonly known as a drone, as an unmanned aircraft system (UAS), or by several other names, is an aircraft without a human pilot aboard. UAV was mainly used in military and civil fields. Global UAV market attracted numerous companies and research teams, in 2015, the global market size was USD16.2 billion, which involved USD14.3 billion for military UAV, USD0.6 billion for ordinary civil consumption and USD1.3 billion for professional civil consumption. For more information visit the below URL
http://www.marketresearchhub.com/report/development-and-market-of-unmanned-aerial-vehicle-uav-in-china-2016-2021-proposal-report.html