Central audio-visual education center. The National Teaching Master Award is a teaching award issued by the Ministry of Education of People's Republic of China (PRC), aiming at commending teachers with high academic attainments, among which the National Teaching Master is in charge of the Central Audio-visual Education Center. National Educational Technology Center (NCET) is an educational technology institution with independent legal personality directly under the Ministry of Education. It is a specialized agency responsible for audio-visual education under the Ministry of Education of China. Established in August 1978, located in Beijing.