China civil aviation flight academy (CAFUC), located in the hinterland of chengdu plain -- guanghan city, sichuan province, is a university affiliated to the central government and selected into the pilot unit of "MPL" course promoted by the United Nations and the "double first-class" construction plan of sichuan province. Is the largest global scale of flight training institutions, is the largest in the world, which is mainly composed of flight training school, [since school, fly in the courtyard has been a 70% for China's civil aviation training pilots, 80% of the captain, 90% and meritorious pilot command pilot, was honored as the "cradle" of China's civil aviation pilots, China civil aviation management cadre "whampoa".      Recently, CAAC purchased ZJ-6 piezoelectric tester, PZT-JH10/4 piezoelectric polarization device and piezoelectric impedance analyzer. These devices play an important role in the development and testing of materials in the future.