Piezo Buzzer Companies - Diretório de empresas exportadoras Piezo Buzzer

Longsun Acoustic is a leading manufacturer and exporter of acoustic components: ultrasonic sensors, piezoelectric buzzer, loudspeaker, dynamic and piezoelectric receiver, siren and alarms etc, it is a division of LONGSUN Corporation who consists of sensor factory, loudspeaker factory and buzzer factory, with total employees over 2000, more than 40,000 square meters production areas, all are managed under ISO 9001: 2008 certificated system, meanwhile with our strong R&D team and up-to-date produc