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Guangzhou DSPPA Audio Co., Ltd. (ABK), founded in 1988, is one of the most famous global brands for professional audio products, the Public Address (PA) supplier of Expo 2010 Shanghai China (covering 80% of indoor pavilions and 100% of outdoor area in Shanghai Expo Site), of 2008 Beijing Olympics (10 successful projects), of China High-speed Railway Systems and the editor in chief of the Technical Code for PA System Engineering; with an R&D base of over 40,000 square meters, and with ISO9001 authentication, China Compulsory Certification (CCC) certificate, CE certificate, CB certificate, Waterproof Certificate and Explosion-proof Certificate etc. ABK is famous for its high quality devices in the PA industry. ABK has 4 brands:...

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