Longsun is dedicated to the design, development, manufacturing and sales of ultrasonic transducer, proximity switch, rocking armature transducer, piezo buzzer, dynamic receiver and transmitter, microphone, including carbon microphone, loudspeaker, siren and alarm transducer etc acoustic components for telecommunication business, industrial business and market demands.

Our products are widely used in  burglar alarms, range finders, automatic control, back sonar of automobiles, water level meters, intelligent toys, liquid gas flow detection, wind speed and direction detection, door bell, telephone handsets, fax machine, internet phone, computer, laptop, printer, TV set, monitors, data processing equipment and so on.

We possess unique technologies and manufacturing systems to solve challenges emerging from the growth in telecommunication applications, industrial application, consumer electronic application etc new application. 

Welcome to Longsun for your OEM/ODM projects. [More>>]