Tamo technology co.,ltd was founded since 2003.it has own SMT factory with ISO certificates and Rearch&Development department.it is a professional manufacturer of: GPS Bus Station Auto Announce,GPS bus line auto announcer, GPS Station Auto Reporter for bus,train,metro GPS Multilingual tour commentary systems,GPS multi languages bus coach audio system LED Display for bus,train,metro,multilingual sound system Multi channel audio system,Multilingual sound system,Multilingual tour commentary at 32 channels GPS triggered audio video tour entertainment on buses.