In recent years, with ongoing development of Chinese macro economy, social public undertakings, sports, education and culture undertaking are thriving, too. 2008 Beijing Olympic Game is followed by Shanghai World Expo and Guangzhou Asian Games, driven by great era and great events, domestic professional audio lighting and conference broadcast system industries come across an excellent developing opportunity. In the past few years, annual output of this industry rose by 20％. Outbreak of recent fi...
