Beijing 797th acoustic co, LTD
Mr. HUA Zi-xing, studied in Nanjing University from 1960 to 1965, and his major was acoustics of physics. After graduation, he worked in the former state-operated 797th factory. During the period from 1983 to 1990, he served as the director of the design house, and the deputy chief engineer of the factory. Then, he served as the chief engineer of the factory from 1990 to 2000. In 2000, the factory changed into the Beijing 797 Sound incorporated company, and he was the deputy general manager. Now, he serves as the special assistant of the general manager.
Since 1993, Mr. Zixing Hua received the special government allowance from the State Council. In 1995, he was evaluated the professor of engineering. In 1999, the fiftieth anniversary of the National Day, he took charge of design, manufacturing technology and the quality of the super-huge-type sound colum, which was used for the Tiananmen Square sound reinforcement system. And then in 2009, the sixtieth anniversary of the National Day, he served as the chief technical adviser of the construction of the Tiananmen Square and surrounding area sound reinforcement system. And he also took charge of design, manufacturing technology and the quality of the super-huge-type sound colum, and took part in the confirm of the design, manufacture and the electroacoustics performance of the microphone, which was used for the review troops and the talk of the leaders on the Tiananmen gate tower.
In addition, he was the first principal in formulating and revising the national standard GB/T 14198—2012 “Microphone General Specification”. And he published many papers in magazines, such as “Audio Engineering”.