AUDIO TECH Service Network. We are mainly service and maintenance with Pro. Audio and Consumer Audio products, including Electronic Musical Instrument, Cinema, P.A, Pro. Touring, Live Sound, Broadcast System and HiEnd Hi-Fi Audio . We have been in this line over 30 years so as to accumulated rich experiences; meanwhile, we have many well cooperated factories with complete services & supporting manufacturing products. These make us confident that we are in the position to offer customer both good quality, best customer service and technical support.