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Xi'an Wing Chong Sound Technology Company Contact: Mr. Chen 13359212048 qq: 58661261 Company Services in Xi'an, which sells sound stage, campus radio, hand in hand conferencing systems, professional audio, background music, our products are OPLL Opie Northwest distributor, S -MAKE, Haitian and other equipment, welcome customers to contact the applicable enterprise :( residential quarters, hotels, shopping, supermarkets, schools parks, squares, stations, terminals, tourism and leisure area, park area, entertainment centers, restaurants teahouse, office buildings, factories businesses, hospitals, auto 4S shops, clothing stores, institutions, prisons, power hydro, banking and mining enterprises) and other enterprises; Uses and Features: The main role is to play background music and radio programs, masking noise and create a relaxed and harmonious atmosphere of the music. Therefore, the effect of background music are the two psychological cover environmental noise, and the second is to create the atmosphere of the indoor environment to adapt in recent years, public broadcasting system also doubles as an emergency broadcast, with the fire alarm system linkage. Control public broadcasting system more. As with all call constituency broadcast broadcast function, forcing the power switching function and priority broadcasting rights functions.