Beijing 797 Audio Co., Ltd.

Communications and Electronics Industrial Division of Beijing 797 Audio Co., Ltd (former Communications and Electronics Industrial Division of The State-run No. 797 Factory) is a large scale electret condenser microphone enterprise in China. The company is president's unit of Chinese electric-acoustic trade association, has a very high influence on the national electron electric-acoustic trade.

Communications and Electronic Industrial Division introduced the whole automatic electret condenser microphone product line and accurate computer controlled test system in 1984. The company has first-class audio laboratory and the largest anechoic chamber in China, B&K 2012 Audio Analyzer introduced from Denmark B&K Company and Data Audio Analysis System, 1500 square meter ten thousand grade cleaning workshop.