Main in Producing Siren and LoudhailerManufacturer from China .

RuiAn RuiGong ElectroAcoustic Equipments Plant main in producing siren,loudhailer, electron loudspeaker and caution light. We are a specialty manufactory together with developing, sale and service. We had experienced ten years of practice and development, and we still give center to management, ceaselessly innovating. Our struggling direction is produce high quality productions