The prolight and sound shanghai is one of the most significant trade fair of the professional audio and lighting industry in china. The trade fair of product category including the audio technology, lighting technology, communication technology, theatre and stage technology, media technology, video communications and systems integration. The prolight and sound shanghai attracted 14,152 visitors, an increase ofnearly 4 percent compared to last year of the 13,008 were domestic visitors, a rise of 6 percent and 1,144 were international visitors. The international exhibition for event and communications technology, av production and entertainment as one of the new centurys economic, financial and trade centres