Officially established in 2006, we specialize in R&D, producing and selling audio products, especially sound monitors. We have developed many kinds of sound monitors for different occasions according to varied demands, with more than 60 products now: sound monitors (50 items), surge protective device (10) and one window intercom device. All our products have passed CE, the United States FCC and ROHS quality certification, and are selling well both at home and abroad.