Was established in 1996. It is dedicated to the professional producing of acoustic and electronic equipments. During the past years, because of our continuous development in variety, our main products include PIEZO ELECTRIC BUZZER, MAGNEZTIC BUZZER, PIEZO, ALARM, SPEAKER, MICROPHONES, HEADPHONE, EARPHONE, etc. To this date, we have three factories, twelve product lines and numerous workshops, which cover over 12000 square meters.