China Aviation Industries Technical Equipment Engineering Association (CATEA) is a joint organization of aviation industry units engaged in the research, manufacture, application, maintenance, management and technical transformation of aeronautical technology and equipment. It is a social group that does not aim for profit and is not subject to the restrictions of regional and departmental affiliation. The purpose of the group is to face the grass-roots unit, under the support and guidance of the aviation industry authorities, strive to serve associate members. We will adhere to seeking truth from facts, give full play to academic democracy, and organize cadres, scientific and technological personnel, and the vast number of workers involved in the engineering of aviation technology and equipment to carry out academic research activities. In order to improve the technical and management level of aero-technical equipment and accelerate the modernization of China's aviation industry, the advanced experience of aeronautical technology and equipment at home and abroad is summarized and exchanged constantly.