The Aviation Industry Corporation of China is a state-owned aerospace and defense company. It specializes in aircraft and helicopter manufacturing and leasing, avionics, defense systems and other non-aviation areas such as heavy machinery and construction. AVIC owns approximately 200 related companies and employs over 400,000 people. AVIC recently predicted that China will have an increase of 4583 civilian airliners, including 3682 jumbo jets and 901 regional aircrafts over the next 20 years.